diff --git a/.python-version b/.python-version
index da71773..0104088 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.14.3
+3.14.4
diff --git a/SECURITY.md b/SECURITY.md
index 64055d4..a62f088 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -9,7 +9,7 @@
 | -------------------- | ---------------------------------- | --------------------------------------------------------------------------------------------------- |
 | OS baseline          | WSL (Ubuntu 25.10)                 | Shared environment across tracks.                                                                   |
 | Ruby CLI utilities   | Ruby 4.0.2 (`.ruby-version`)       | Uses standard library (`CSV`, `FileUtils`). Declare extra gems per script if needed.                |
-| Python CLI utilities | CPython 3.14.3 (`.python-version`) | Uses Python stdlib (`csv`, `argparse`). Introduce `requirements.txt` if third-party libs are added. |
+| Python CLI utilities | CPython 3.14.4 (`.python-version`) | Uses Python stdlib (`csv`, `argparse`). Introduce `requirements.txt` if third-party libs are added. |
 
 ## Backward Compatibility
 
diff --git a/python/README.md b/python/README.md
index 7168802..f6bfc48 100644
--- a/python/README.md
+++ b/python/README.md
@@ -1,6 +1,6 @@
 ## 1. Environment
 
-- Python 3.14.3
+- Python 3.14.4
 
 ## 2. Execution