diff --git a/docs/custom-model-integration/Dockerfile.reference b/docs/custom-model-integration/Dockerfile.reference
index 98563450d..26734827e 100644
--- a/docs/custom-model-integration/Dockerfile.reference
+++ b/docs/custom-model-integration/Dockerfile.reference
@@ -1,4 +1,4 @@
-FROM python:3.10-slim@sha256:684b1aaf96a7942b3c3af438d162e0baa3510aa7af25ad76d238e0c746bdec79
+FROM python:3.12-slim
 
 # Specify the repository source URL for reference and access in Kaito packages.
 LABEL org.opencontainers.image.source=https://github.com/kaito-project/kaito