diff --git a/ci/scripts/run-e2e-test.sh b/ci/scripts/run-e2e-test.sh
index b166d6ff5184e..128ac32648041 100755
--- a/ci/scripts/run-e2e-test.sh
+++ b/ci/scripts/run-e2e-test.sh
@@ -75,6 +75,7 @@ mkdir -p e2e_test/udf/sse/server/target/release/
 buildkite-agent artifact download sse-server e2e_test/udf/sse/server/target/release/
 mv target/debug/risingwave_e2e_extended_mode_test-"$profile" target/debug/risingwave_e2e_extended_mode_test
 
+chmod +x ./e2e_test/udf/sse/server/target/release/sse-server
 chmod +x ./target/debug/risingwave_e2e_extended_mode_test
 
 echo "--- e2e, $mode, streaming"