Next development version

gradle.properties

@@ -2,7 +2,7 @@ aspectjVersion=1.9.6
 gaeVersion=1.9.82
 springJavaformatVersion=0.0.25
 springBootVersion=2.4.0-M3
-version=5.5.0-M1
+version=5.5.0-SNAPSHOT
 kotlinVersion=1.4.10
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError
 org.gradle.parallel=true