diff --git a/circleci.Dockerfile b/circleci.Dockerfile
index 75d36ea6..494e5bad 100644
--- a/circleci.Dockerfile
+++ b/circleci.Dockerfile
@@ -1,4 +1,4 @@
-FROM quay.io/giantswarm/conftest:v0.39.2 AS conftest
+FROM quay.io/giantswarm/conftest:v0.41.0 AS conftest
 
 FROM changeme