diff --git a/resource_stress/memleak/Dockerfile b/resource_stress/memleak/Dockerfile
index 6b445faf..0f3a6872 100644
--- a/resource_stress/memleak/Dockerfile
+++ b/resource_stress/memleak/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210114
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \