diff --git a/Dockerfile b/Dockerfile
index b9f711c55e..b2363ed380 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ ARG DEFAULT_TERRAFORM_VERSION=1.9.2
 # renovate: datasource=github-releases depName=opentofu/opentofu versioning=hashicorp
 ARG DEFAULT_OPENTOFU_VERSION=1.7.3
 # renovate: datasource=github-releases depName=open-policy-agent/conftest
-ARG DEFAULT_CONFTEST_VERSION=0.54.0
+ARG DEFAULT_CONFTEST_VERSION=0.55.0
 
 # Stage 1: build artifact and download deps