diff --git a/Dockerfile b/Dockerfile
index cfd8e8f..365f936 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12.2-alpine3.19@sha256:c7eb5c92b7933fe52f224a91a1ced27b91840ac9c69c58bef40d602156bcdb41
+FROM python:3.12.3-alpine3.19@sha256:ef097620baf1272e38264207003b0982285da3236a20ed829bf6bbf1e85fe3cb
 COPY --from=koalaman/shellcheck:v0.10.0@sha256:2097951f02e735b613f4a34de20c40f937a6c8f18ecb170612c88c34517221fb /bin/shellcheck /bin/
 
 # renovate: datasource=repology depName=alpine_3_19/build-base versioning=loose