diff --git a/Dockerfile b/Dockerfile
index 5c9f30e..6f6727b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG PYTHON_VERSION=3.14.2
-ARG PDM_VERSION=2.26.2
+ARG PDM_VERSION=2.26.3
 ARG COPIER_VERSION=9.10.3
 ARG USER_UID=1000
 
diff --git a/python/.pre-commit-config.yaml b/python/.pre-commit-config.yaml
index 4f680d0..63ae93d 100644
--- a/python/.pre-commit-config.yaml
+++ b/python/.pre-commit-config.yaml
@@ -25,7 +25,7 @@ repos:
         # Disable auto-fix
         args: []
   - repo: https://github.com/pdm-project/pdm
-    rev: 2.26.2
+    rev: 2.26.3
     hooks:
       - id: pdm-lock-check
   - repo: https://github.com/pycqa/isort
diff --git a/python/Dockerfile.j2 b/python/Dockerfile.j2
index e338b6c..53859ac 100644
--- a/python/Dockerfile.j2
+++ b/python/Dockerfile.j2
@@ -1,5 +1,5 @@
 ARG PYTHON_VERSION=3.14.2-slim
-ARG PDM_VERSION=2.26.2
+ARG PDM_VERSION=2.26.3
 
 FROM python:${PYTHON_VERSION}@sha256:2751cbe93751f0147bc1584be957c6dd4c5f977c3d4e0396b56456a9fd4ed137 as base
 RUN addgroup --system abc && \