diff --git a/.github/workflows/builder.yml b/.github/workflows/builder.yml
index 275ee6c..9a03ba2 100644
--- a/.github/workflows/builder.yml
+++ b/.github/workflows/builder.yml
@@ -59,6 +59,14 @@ jobs:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}
 
+    - name: Login to GitHub Container Registry
+      if: needs.init.outputs.publish == 'true'
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ secrets.GIT_USER }}
+        password: ${{ secrets.GIT_TOKEN }}
+
     - name: Set build arguments
       if: needs.init.outputs.publish == 'false'
       run: echo "BUILD_ARGS=--test" >> $GITHUB_ENV
diff --git a/build.json b/build.json
index b706f6a..a38265f 100644
--- a/build.json
+++ b/build.json
@@ -1,11 +1,12 @@
 {
   "image": "homeassistant/{arch}-hassio-multicast",
+  "shadow_repository": "ghcr.io/home-assistant",
   "build_from": {
-    "aarch64": "homeassistant/aarch64-base:3.12",
-    "armhf": "homeassistant/armhf-base:3.12",
-    "armv7": "homeassistant/armv7-base:3.12",
-    "amd64": "homeassistant/amd64-base:3.12",
-    "i386": "homeassistant/i386-base:3.12"
+    "aarch64": "ghcr.io/home-assistant/aarch64-base:3.12",
+    "armhf": "ghcr.io/home-assistant/armhf-base:3.12",
+    "armv7": "ghcr.io/home-assistant/armv7-base:3.12",
+    "amd64": "ghcr.io/home-assistant/amd64-base:3.12",
+    "i386": "ghcr.io/home-assistant/i386-base:3.12"
   },
   "args": {
     "MDNS_REPEATER_VERSION": "1.1.2"