diff --git a/genomel/docker/realignment/Dockerfile b/genomel/docker/realignment/Dockerfile
index 015b6014..6d070e45 100644
--- a/genomel/docker/realignment/Dockerfile
+++ b/genomel/docker/realignment/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:xenial-20210114
 
 RUN apt-get update -y && \
     apt-get install -y time \