diff --git a/docs/antora.yml b/docs/antora.yml
index 111f36e688..53c321d1a3 100644
--- a/docs/antora.yml
+++ b/docs/antora.yml
@@ -1,2 +1,3 @@
 name: ROOT
-version: '5.6.3'
+version: '5.6.4'
+prerelease: '-SNAPSHOT'
diff --git a/gradle.properties b/gradle.properties
index db61cc27dc..9b6de947c5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ springJavaformatVersion=0.0.31
 springBootVersion=2.4.2
 springFrameworkVersion=5.3.19
 openSamlVersion=3.4.6
-version=5.6.3
+version=5.6.4-SNAPSHOT
 kotlinVersion=1.5.32
 samplesBranch=5.6.x
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError