diff --git a/Dockerfile b/Dockerfile
index 8cd3796a..a9190a24 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.7.2@sha256:0fee695f3bf397bb521d8ced9e30963835fac44bc27f46393a5b91941c8a40aa
+FROM ruby:2.7.2@sha256:a6a38da33f10468223963ba1f173318b19460afc494f28f2be171bc79e9ce66b
 MAINTAINER security@coinbase.com
 
 RUN apt-get update && apt-get upgrade -y --no-install-recommends && apt-get install -y --no-install-recommends \