diff --git a/.python-version b/.python-version
index 455808f8e1..d9506ceba5 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.12.4
+3.12.5
diff --git a/Dockerfile b/Dockerfile
index 04ad473b9f..82b0283be3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12.4-slim AS base
+FROM python:3.12.5-slim AS base
 
 # バージョン情報に表示する commit hash を埋め込む
 FROM base AS commit-hash