diff --git a/ci/scripts/java-binding-test.sh b/ci/scripts/java-binding-test.sh
index a5df5a1bdd379..f18ab034649d0 100755
--- a/ci/scripts/java-binding-test.sh
+++ b/ci/scripts/java-binding-test.sh
@@ -42,5 +42,5 @@ RISINGWAVE_ROOT=$(git rev-parse --show-toplevel)
 cd ${RISINGWAVE_ROOT}/java
 
 (${RISINGWAVE_ROOT}/bin/data-chunk-payload-generator) | \
-    java -cp "./java-binding-integration-test/target/dependency/*:./java-binding-integration-test/target/classes" \
+    java -Xmx12288m -cp "./java-binding-integration-test/target/dependency/*:./java-binding-integration-test/target/classes" \
     com.risingwave.java.binding.StreamChunkDemo