diff --git a/archetypes/dcache-nearline-plugin-archetype/pom.xml b/archetypes/dcache-nearline-plugin-archetype/pom.xml
index a9986dce5b9..61b4b484d79 100644
--- a/archetypes/dcache-nearline-plugin-archetype/pom.xml
+++ b/archetypes/dcache-nearline-plugin-archetype/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>archetypes</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-nearline-plugin-archetype</artifactId>
diff --git a/archetypes/pom.xml b/archetypes/pom.xml
index 507634507e2..4830888ba4f 100644
--- a/archetypes/pom.xml
+++ b/archetypes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
     </parent>
 
     <artifactId>archetypes</artifactId>
diff --git a/docs/TheBook/pom.xml b/docs/TheBook/pom.xml
index 45e998decd2..1f3209169fe 100644
--- a/docs/TheBook/pom.xml
+++ b/docs/TheBook/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>documentation</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>TheBook</artifactId>
diff --git a/docs/UserGuide/pom.xml b/docs/UserGuide/pom.xml
index 44de297d0fe..ac56f9dcc36 100644
--- a/docs/UserGuide/pom.xml
+++ b/docs/UserGuide/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>documentation</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>UserGuide</artifactId>
diff --git a/docs/pom.xml b/docs/pom.xml
index e4f74f4a1cc..685d026eb17 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>documentation</artifactId>
diff --git a/modules/acl-vehicles/pom.xml b/modules/acl-vehicles/pom.xml
index 956c69e6a6d..5b9207f3c75 100644
--- a/modules/acl-vehicles/pom.xml
+++ b/modules/acl-vehicles/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/acl/pom.xml b/modules/acl/pom.xml
index 246be3bec52..5ad1f0692d6 100644
--- a/modules/acl/pom.xml
+++ b/modules/acl/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/benchmarks/pom.xml b/modules/benchmarks/pom.xml
index 881ad0bcaa4..e410732659d 100644
--- a/modules/benchmarks/pom.xml
+++ b/modules/benchmarks/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/cells/pom.xml b/modules/cells/pom.xml
index 3bb87b1bc5a..e08ad5253f2 100644
--- a/modules/cells/pom.xml
+++ b/modules/cells/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/chimera/pom.xml b/modules/chimera/pom.xml
index f54e0bd7e86..fd7ed1e1e78 100644
--- a/modules/chimera/pom.xml
+++ b/modules/chimera/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/common-cli/pom.xml b/modules/common-cli/pom.xml
index a7455c38bd8..8a49896f520 100644
--- a/modules/common-cli/pom.xml
+++ b/modules/common-cli/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/common-security/pom.xml b/modules/common-security/pom.xml
index 8a3b092ba62..94a45abcdc3 100644
--- a/modules/common-security/pom.xml
+++ b/modules/common-security/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/common/pom.xml b/modules/common/pom.xml
index ec4b7fd4484..4f0aade026b 100644
--- a/modules/common/pom.xml
+++ b/modules/common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-bulk/pom.xml b/modules/dcache-bulk/pom.xml
index 73fcdb437a8..748f0f0320a 100644
--- a/modules/dcache-bulk/pom.xml
+++ b/modules/dcache-bulk/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-chimera/pom.xml b/modules/dcache-chimera/pom.xml
index d7d94220021..6be89f3f8b6 100644
--- a/modules/dcache-chimera/pom.xml
+++ b/modules/dcache-chimera/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-dcap/pom.xml b/modules/dcache-dcap/pom.xml
index 5211cd4e276..e95f5744611 100644
--- a/modules/dcache-dcap/pom.xml
+++ b/modules/dcache-dcap/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-frontend/pom.xml b/modules/dcache-frontend/pom.xml
index d66f58deb5e..e92956c9266 100644
--- a/modules/dcache-frontend/pom.xml
+++ b/modules/dcache-frontend/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/dcache-ftp/pom.xml b/modules/dcache-ftp/pom.xml
index 189c6d742d5..134dda217fb 100644
--- a/modules/dcache-ftp/pom.xml
+++ b/modules/dcache-ftp/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-gplazma/pom.xml b/modules/dcache-gplazma/pom.xml
index 3ce8c26e69b..31761ac1898 100644
--- a/modules/dcache-gplazma/pom.xml
+++ b/modules/dcache-gplazma/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-history/pom.xml b/modules/dcache-history/pom.xml
index c42bcec2f61..d7434f3cb84 100644
--- a/modules/dcache-history/pom.xml
+++ b/modules/dcache-history/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-info/pom.xml b/modules/dcache-info/pom.xml
index 8987728dfe1..a7b37b26da9 100644
--- a/modules/dcache-info/pom.xml
+++ b/modules/dcache-info/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-nearline-spi/pom.xml b/modules/dcache-nearline-spi/pom.xml
index da22174fd6a..92d8f2bd3ff 100644
--- a/modules/dcache-nearline-spi/pom.xml
+++ b/modules/dcache-nearline-spi/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-nfs/pom.xml b/modules/dcache-nfs/pom.xml
index e6baad0a796..6003bf7f7a5 100644
--- a/modules/dcache-nfs/pom.xml
+++ b/modules/dcache-nfs/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-qos/pom.xml b/modules/dcache-qos/pom.xml
index 0397cdf0c5d..12e299c78ea 100644
--- a/modules/dcache-qos/pom.xml
+++ b/modules/dcache-qos/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-resilience/pom.xml b/modules/dcache-resilience/pom.xml
index 30c3b708f34..b77830c46d7 100644
--- a/modules/dcache-resilience/pom.xml
+++ b/modules/dcache-resilience/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-spacemanager/pom.xml b/modules/dcache-spacemanager/pom.xml
index 90348d036b2..c54d4df6ac7 100644
--- a/modules/dcache-spacemanager/pom.xml
+++ b/modules/dcache-spacemanager/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-srm/pom.xml b/modules/dcache-srm/pom.xml
index f2b43662fa4..82da2cef22d 100644
--- a/modules/dcache-srm/pom.xml
+++ b/modules/dcache-srm/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-vehicles/pom.xml b/modules/dcache-vehicles/pom.xml
index baa0c3f2ab6..83cc8ae1790 100644
--- a/modules/dcache-vehicles/pom.xml
+++ b/modules/dcache-vehicles/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-webdav/pom.xml b/modules/dcache-webdav/pom.xml
index 4990cb82d91..0015822da43 100644
--- a/modules/dcache-webdav/pom.xml
+++ b/modules/dcache-webdav/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-xrootd/pom.xml b/modules/dcache-xrootd/pom.xml
index e6d79816cc6..6509c7974cf 100644
--- a/modules/dcache-xrootd/pom.xml
+++ b/modules/dcache-xrootd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache/pom.xml b/modules/dcache/pom.xml
index 88bb57b6341..690c698bd77 100644
--- a/modules/dcache/pom.xml
+++ b/modules/dcache/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/ftp-client/pom.xml b/modules/ftp-client/pom.xml
index 699d009fa54..cce798c7e49 100644
--- a/modules/ftp-client/pom.xml
+++ b/modules/ftp-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-argus/pom.xml b/modules/gplazma2-argus/pom.xml
index 30b535bf172..36bdde55e47 100644
--- a/modules/gplazma2-argus/pom.xml
+++ b/modules/gplazma2-argus/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-banfile/pom.xml b/modules/gplazma2-banfile/pom.xml
index 364d2553a62..2b516bf750f 100644
--- a/modules/gplazma2-banfile/pom.xml
+++ b/modules/gplazma2-banfile/pom.xml
@@ -4,7 +4,7 @@
   <parent>
       <groupId>org.dcache</groupId>
       <artifactId>dcache-parent</artifactId>
-      <version>9.1.15</version>
+      <version>9.1.16-SNAPSHOT</version>
       <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-fermi/pom.xml b/modules/gplazma2-fermi/pom.xml
index 4fadd086334..97f2c01cc5c 100644
--- a/modules/gplazma2-fermi/pom.xml
+++ b/modules/gplazma2-fermi/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>dcache-parent</artifactId>
     <groupId>org.dcache</groupId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>org.dcache</groupId>
             <artifactId>gplazma2</artifactId>
-            <version>9.1.15</version>
+            <version>9.1.16-SNAPSHOT</version>
         </dependency>
       <dependency>
         <groupId>com.google.code.gson</groupId>
diff --git a/modules/gplazma2-grid/pom.xml b/modules/gplazma2-grid/pom.xml
index 7aaa2f52848..1b6d5a01ae1 100644
--- a/modules/gplazma2-grid/pom.xml
+++ b/modules/gplazma2-grid/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-htpasswd/pom.xml b/modules/gplazma2-htpasswd/pom.xml
index da72ccd15ef..8ed278fd45a 100644
--- a/modules/gplazma2-htpasswd/pom.xml
+++ b/modules/gplazma2-htpasswd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-jaas/pom.xml b/modules/gplazma2-jaas/pom.xml
index 7c24f974ed6..4ad6f1c86e7 100644
--- a/modules/gplazma2-jaas/pom.xml
+++ b/modules/gplazma2-jaas/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-kpwd/pom.xml b/modules/gplazma2-kpwd/pom.xml
index a8a50764378..88376ca0d1e 100644
--- a/modules/gplazma2-kpwd/pom.xml
+++ b/modules/gplazma2-kpwd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-krb5/pom.xml b/modules/gplazma2-krb5/pom.xml
index abd623a3374..97e938b3dab 100644
--- a/modules/gplazma2-krb5/pom.xml
+++ b/modules/gplazma2-krb5/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-ldap/pom.xml b/modules/gplazma2-ldap/pom.xml
index b84cb4e83bb..0dc6842e237 100644
--- a/modules/gplazma2-ldap/pom.xml
+++ b/modules/gplazma2-ldap/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-multimap/pom.xml b/modules/gplazma2-multimap/pom.xml
index a446c09e7c8..b54c8442915 100644
--- a/modules/gplazma2-multimap/pom.xml
+++ b/modules/gplazma2-multimap/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-nis/pom.xml b/modules/gplazma2-nis/pom.xml
index c50c0269992..8382c60d514 100644
--- a/modules/gplazma2-nis/pom.xml
+++ b/modules/gplazma2-nis/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-nsswitch/pom.xml b/modules/gplazma2-nsswitch/pom.xml
index b7fba4345c0..b708154c49d 100644
--- a/modules/gplazma2-nsswitch/pom.xml
+++ b/modules/gplazma2-nsswitch/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-oidc/pom.xml b/modules/gplazma2-oidc/pom.xml
index bffd153ba9f..83390e64a0d 100644
--- a/modules/gplazma2-oidc/pom.xml
+++ b/modules/gplazma2-oidc/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-omnisession/pom.xml b/modules/gplazma2-omnisession/pom.xml
index a4d608514d0..4b9a0d731fd 100644
--- a/modules/gplazma2-omnisession/pom.xml
+++ b/modules/gplazma2-omnisession/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-roles/pom.xml b/modules/gplazma2-roles/pom.xml
index 7309048e59c..76d271514fa 100644
--- a/modules/gplazma2-roles/pom.xml
+++ b/modules/gplazma2-roles/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-scitoken/pom.xml b/modules/gplazma2-scitoken/pom.xml
index e25b67cdd44..39481122066 100644
--- a/modules/gplazma2-scitoken/pom.xml
+++ b/modules/gplazma2-scitoken/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-voms/pom.xml b/modules/gplazma2-voms/pom.xml
index 1bb603b4ae1..265df7eba1a 100644
--- a/modules/gplazma2-voms/pom.xml
+++ b/modules/gplazma2-voms/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2/pom.xml b/modules/gplazma2/pom.xml
index 8ae8da94104..7465a8fdb9f 100644
--- a/modules/gplazma2/pom.xml
+++ b/modules/gplazma2/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/logback-console-config/pom.xml b/modules/logback-console-config/pom.xml
index b62249a8a54..2fe1ae4efd4 100644
--- a/modules/logback-console-config/pom.xml
+++ b/modules/logback-console-config/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/logback-test-config/pom.xml b/modules/logback-test-config/pom.xml
index b46c4d160c7..53124c3865d 100644
--- a/modules/logback-test-config/pom.xml
+++ b/modules/logback-test-config/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>org.dcache</groupId>
   <artifactId>logback-test-config</artifactId>
-  <version>9.1.15</version>
+  <version>9.1.16-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>Logback config for building and testing</name>
diff --git a/modules/missingfiles-semsg/pom.xml b/modules/missingfiles-semsg/pom.xml
index 7b0a1afa87c..e2b7fe6fb4d 100644
--- a/modules/missingfiles-semsg/pom.xml
+++ b/modules/missingfiles-semsg/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/srm-client/pom.xml b/modules/srm-client/pom.xml
index e98a55913b2..6acb4e53f0e 100644
--- a/modules/srm-client/pom.xml
+++ b/modules/srm-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/srm-common/pom.xml b/modules/srm-common/pom.xml
index 6166820fc57..7ebe4dcd2a4 100644
--- a/modules/srm-common/pom.xml
+++ b/modules/srm-common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/srm-server/pom.xml b/modules/srm-server/pom.xml
index 778672f096f..b0e2a7a3a99 100644
--- a/modules/srm-server/pom.xml
+++ b/modules/srm-server/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/packages/fhs/pom.xml b/packages/fhs/pom.xml
index 733127ce947..263c05a6a80 100644
--- a/packages/fhs/pom.xml
+++ b/packages/fhs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>packaging</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-fhs</artifactId>
diff --git a/packages/pom.xml b/packages/pom.xml
index 6fc8101ad64..4b27323a356 100644
--- a/packages/pom.xml
+++ b/packages/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>packaging</artifactId>
diff --git a/packages/system-test/pom.xml b/packages/system-test/pom.xml
index 1357b60825c..5f733771e64 100644
--- a/packages/system-test/pom.xml
+++ b/packages/system-test/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>packaging</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>system-test</artifactId>
diff --git a/packages/tar/pom.xml b/packages/tar/pom.xml
index 4dea357288a..584a421d4a6 100644
--- a/packages/tar/pom.xml
+++ b/packages/tar/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>packaging</artifactId>
-        <version>9.1.15</version>
+        <version>9.1.16-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-tar</artifactId>
diff --git a/plugins/hsqldb/pom.xml b/plugins/hsqldb/pom.xml
index e52050cfaf9..eeaf0a94367 100644
--- a/plugins/hsqldb/pom.xml
+++ b/plugins/hsqldb/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>plugins</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>dcache-plugin-hsqldb</artifactId>
diff --git a/plugins/pom.xml b/plugins/pom.xml
index c697ed991b9..32c267b6c5d 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
   </parent>
 
   <artifactId>plugins</artifactId>
diff --git a/pom.xml b/pom.xml
index d186e4f862b..062639d8c6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.dcache</groupId>
-    <version>9.1.15</version>
+    <version>9.1.16-SNAPSHOT</version>
     <artifactId>dcache-parent</artifactId>
     <packaging>pom</packaging>
 
@@ -126,7 +126,7 @@
         <url>https://github.com/dCache/dcache</url>
         <connection>scm:git:https://github.com/dCache/dcache.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/dCache/dcache.git</developerConnection>
-      <tag>9.1.15</tag>
+      <tag>9.1</tag>
   </scm>
 
     <repositories>