diff --git a/Dockerfile b/Dockerfile
index 9a5777dba31..7f1287947cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:2.6.3-slim
+FROM ruby:2.7.6-slim
 LABEL maintainer Travis CI GmbH <support+docs-docker-images@travis-ci.com>
 
 # packages required for bundle install