diff --git a/Dockerfile b/Dockerfile
index 5e47985..bee3725 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openpolicyagent/conftest:v0.48.0 AS conftest
+FROM openpolicyagent/conftest:v0.55.0 AS conftest
 FROM alpine:3.18
 
 ARG VERSION_HADOLINT="v2.12.0"