diff --git a/jib-maven-plugin/kokoro/release_build.sh b/jib-maven-plugin/kokoro/release_build.sh
index 92495fabab..185ef98611 100644
--- a/jib-maven-plugin/kokoro/release_build.sh
+++ b/jib-maven-plugin/kokoro/release_build.sh
@@ -5,5 +5,10 @@ set -o errexit
 # Display commands to stderr.
 set -o xtrace
 
+# Append to JAVA_TOOL_OPTIONS to suppress warnings from kokoro container os.
+if [ "${KOKORO_JOB_CLUSTER}" = "GCP_UBUNTU_DOCKER" ]; then
+  JAVA_TOOL_OPTIONS="${JAVA_TOOL_OPTIONS} -Xlog:os+container=error"
+fi
+
 cd github/jib
 ./gradlew :jib-maven-plugin:prepareRelease