diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index b21fbda..2660445 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
diff --git a/Dockerfile b/Dockerfile
index 383b984..7bb8899 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.15.0b2-slim
+FROM python:3.15.0b3-slim
 
 # Default UID and GID (can be overridden)
 ARG USER_UID=1000