diff --git a/bom/pom.xml b/bom/pom.xml
index 5596b3f1..49836b27 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>guice-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <packaging>pom</packaging>
diff --git a/core/pom.xml b/core/pom.xml
index af774f48..cb9ba735 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>guice-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.sonatype.sisu</groupId>
diff --git a/extensions/assistedinject/pom.xml b/extensions/assistedinject/pom.xml
index 6ced28fb..38f360ec 100644
--- a/extensions/assistedinject/pom.xml
+++ b/extensions/assistedinject/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-assistedinject</artifactId>
diff --git a/extensions/grapher/pom.xml b/extensions/grapher/pom.xml
index c36dc4b4..920f7ba0 100644
--- a/extensions/grapher/pom.xml
+++ b/extensions/grapher/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-grapher</artifactId>
diff --git a/extensions/jmx/pom.xml b/extensions/jmx/pom.xml
index 0fceb54c..7de64317 100644
--- a/extensions/jmx/pom.xml
+++ b/extensions/jmx/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-jmx</artifactId>
diff --git a/extensions/jndi/pom.xml b/extensions/jndi/pom.xml
index 8eece5c0..f78153a1 100644
--- a/extensions/jndi/pom.xml
+++ b/extensions/jndi/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-jndi</artifactId>
diff --git a/extensions/multibindings/pom.xml b/extensions/multibindings/pom.xml
index 4df3f3b7..9eb7ee94 100644
--- a/extensions/multibindings/pom.xml
+++ b/extensions/multibindings/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-multibindings</artifactId>
diff --git a/extensions/persist/pom.xml b/extensions/persist/pom.xml
index dda0d558..860ab643 100644
--- a/extensions/persist/pom.xml
+++ b/extensions/persist/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-persist</artifactId>
diff --git a/extensions/pom.xml b/extensions/pom.xml
index 1d313c59..83d04a2f 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>guice-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <packaging>pom</packaging>
diff --git a/extensions/servlet/pom.xml b/extensions/servlet/pom.xml
index b845cf78..abd6e448 100644
--- a/extensions/servlet/pom.xml
+++ b/extensions/servlet/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-servlet</artifactId>
diff --git a/extensions/spring/pom.xml b/extensions/spring/pom.xml
index c1e24bb5..391fd835 100644
--- a/extensions/spring/pom.xml
+++ b/extensions/spring/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-spring</artifactId>
diff --git a/extensions/struts2/pom.xml b/extensions/struts2/pom.xml
index 16ade016..2a60ebd3 100644
--- a/extensions/struts2/pom.xml
+++ b/extensions/struts2/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-struts2</artifactId>
diff --git a/extensions/testlib/pom.xml b/extensions/testlib/pom.xml
index 56a489a5..fc274ba2 100644
--- a/extensions/testlib/pom.xml
+++ b/extensions/testlib/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-testlib</artifactId>
diff --git a/extensions/throwingproviders/pom.xml b/extensions/throwingproviders/pom.xml
index 65387ad0..bb245284 100644
--- a/extensions/throwingproviders/pom.xml
+++ b/extensions/throwingproviders/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>org.sonatype.sisu.inject</groupId>
     <artifactId>extensions-parent</artifactId>
-    <version>3.2.5</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>guice-throwingproviders</artifactId>
diff --git a/pom.xml b/pom.xml
index 2607549c..5b857090 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
 
   <groupId>org.sonatype.sisu.inject</groupId>
   <artifactId>guice-parent</artifactId>
-  <version>3.2.5</version>
+  <version>4.0-SNAPSHOT</version>
 
   <name>Sisu Guice</name>
 
@@ -64,7 +64,7 @@ See the Apache License Version 2.0 for the specific language governing permissio
     <connection>scm:git:git@github.com:sonatype/sisu-guice.git</connection>
     <developerConnection>scm:git:git@github.com:sonatype/sisu-guice.git</developerConnection>
     <url>http://github.com/sonatype/sisu-guice</url>
-    <tag>sisu-guice-3.2.5</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <issueManagement>