diff --git a/gradle.properties b/gradle.properties
index 06df3fd1..619bac99 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 org.gradle.caching=true
 group=io.ballerina.stdlib
-version=1.9.0
+version=1.9.1-SNAPSHOT
 ballerinaLangVersion=2201.8.0
 
 puppycrawlCheckstyleVersion=10.12.0