diff --git a/Dockerfile b/Dockerfile
index ce4b698..314ffa5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 #checkov:skip=CKV_DOCKER_2
 #checkov:skip=CKV_DOCKER_3
-FROM python:3.13-slim@sha256:8f3aba466a471c0ab903dbd7cb979abd4bda370b04789d25440cc90372b50e04
+FROM python:3.13-slim@sha256:21e39cf1815802d4c6f89a0d3a166cc67ce58f95b6d1639e68a394c99310d2e5
 
 WORKDIR /action/workspace
 COPY requirements.txt CONTRIBUTING-template.md open_contrib_pr.py /action/workspace/