diff --git a/.github/workflows/build-with-bal-test-graalvm.yml b/.github/workflows/build-with-bal-test-graalvm.yml
index 3bac4b606..8ca1d07d0 100644
--- a/.github/workflows/build-with-bal-test-graalvm.yml
+++ b/.github/workflows/build-with-bal-test-graalvm.yml
@@ -6,7 +6,7 @@ on:
             lang_tag:
                 description: Branch/Release Tag of the Ballerina Lang
                 required: true
-                default: master
+                default: java21
             lang_version:
                 description: Ballerina Lang Version (If given ballerina lang buid will be skipped)
                 required: false