diff --git a/Dockerfile b/Dockerfile
index 76bc460..9525944 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-slim@sha256:c805c5edcf6005fd72f933156f504525e1da263ffbc3fae6b4940e6c360c216f
+FROM python:3.13-slim@sha256:450bb2ed2919f9a476c54c19884e200f473d89c2b2d458f07a03ee463026dcb8
 
 WORKDIR /config-merger