diff --git a/tensorflow/tools/ci_build/Dockerfile.cmake b/tensorflow/tools/ci_build/Dockerfile.cmake
index e2e9a869fda4bd..cda2bf4a496de8 100644
--- a/tensorflow/tools/ci_build/Dockerfile.cmake
+++ b/tensorflow/tools/ci_build/Dockerfile.cmake
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210416
 
 LABEL maintainer="Shanqing Cai <cais@google.com>"