diff --git a/.github/workflows/publish-charts.yml b/.github/workflows/publish-charts.yml
index 07df442..c335463 100644
--- a/.github/workflows/publish-charts.yml
+++ b/.github/workflows/publish-charts.yml
@@ -26,6 +26,10 @@ env:
 
 jobs:
   build:
+    permissions:
+      packages: write
+      contents: write
+
     runs-on: ubuntu-22.04
 
     steps:
@@ -66,6 +70,14 @@ jobs:
       - name: Set up Docker Buildx (for chartpress multi-arch builds)
         uses: docker/setup-buildx-action@v3
 
+      - name: Log in to the container registry
+        if: steps.publishing.outputs.publishing
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Install chart publishing dependencies (chartpress)
         run: |
           pip install -r requirements.txt