diff --git a/Dockerfile b/Dockerfile
index 994cbc0c272079a099b0615b6bb463315fccd986..2c55682eb2e6ea3d8ef8482691a748a259251edc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM amd64/ubuntu:18.04@sha256:f2557f94cac1cc4509d0483cb6e302da841ecd6f82eb2e91dc7ba6cfd0c580ab
+FROM amd64/ubuntu:18.04@sha256:ab6cb8de3ad7bb33e2534677f865008535427390b117d7939193f8d1a6613e34
 
 LABEL maintainer="Rhys Arkins <rhys@arkins.net>"
 LABEL name="renovate"