diff --git a/.github/workflows/dockerhub.yml b/.github/workflows/dockerhub.yml
index 51dcd88..1e6d063 100644
--- a/.github/workflows/dockerhub.yml
+++ b/.github/workflows/dockerhub.yml
@@ -11,32 +11,34 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
       - name: Set output
         id: vars
         run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_HUB_USERNAME }}
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: Build and push latest of objective evaluation service
         if: ${{ steps.vars.outputs.tag == 'main' }}
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: planqk/objective-evaluation-service:latest
 
       - name: Build and push version of objective evaluation service
         if: ${{ steps.vars.outputs.tag != 'main' }}
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v4
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: planqk/objective-evaluation-service:${{ steps.vars.outputs.tag }}
diff --git a/Dockerfile b/Dockerfile
index 856cc58..e29bb87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM python:3.8-slim-buster
+FROM python:3.9
 
 WORKDIR /objective-function-service