diff --git a/Version.config b/Version.config
index 26ada6e44bd..e618043f664 100644
--- a/Version.config
+++ b/Version.config
@@ -5,7 +5,7 @@
 
 POSTGIS_MAJOR_VERSION=3
 POSTGIS_MINOR_VERSION=1
-POSTGIS_MICRO_VERSION=0alpha3
+POSTGIS_MICRO_VERSION=0dev
 
 # Liblwgeom interface versioning, reset to 0:0:0 (cur:age:rev)
 # when changing POSTGIS_MINOR_VERSION
diff --git a/extensions/upgradeable_versions.mk b/extensions/upgradeable_versions.mk
index 9e25ec52aec..94e38efa87c 100644
--- a/extensions/upgradeable_versions.mk
+++ b/extensions/upgradeable_versions.mk
@@ -58,4 +58,5 @@ UPGRADEABLE_VERSIONS = \
 	3.0.2 \
 	3.0.3 \
 	3.1.0alpha1 \
-	3.1.0alpha2
+	3.1.0alpha2 \
+	3.1.0alpha3