diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 81f8b55d0..fef8174eb 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -117,6 +117,15 @@ jobs:
         run: aws s3 sync _build/deb/apt-repo-root s3://${AWS_S3_BUCKET}/deb --follow-symlinks
       - name: Push nightly APT repo to S3
         run: aws s3 sync _build/deb/apt-repo-dist s3://${AWS_S3_BUCKET}/deb/dists/nightly --follow-symlinks
+      - name: CKAN-ModInstaller repo dispatch
+        env:
+          REPO_ACCESS_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}
+        if: env.REPO_ACCESS_TOKEN
+        uses: peter-evans/repository-dispatch@v2
+        with:
+          repository: KSP-CKAN/CKAN-ModInstaller
+          event-type: deploy
+          token: ${{ secrets.REPO_ACCESS_TOKEN }}
 
   upload-rpm:
     needs:
diff --git a/Dockerfile.metadata b/Dockerfile.metadata
index 02292063d..49ff1e954 100644
--- a/Dockerfile.metadata
+++ b/Dockerfile.metadata
@@ -1,5 +1,5 @@
 # Everything we need in both the build and prod images
-FROM ubuntu:22.04 as base
+FROM ubuntu:22.04 AS base
 
 # Don't prompt for time zone
 ENV DEBIAN_FRONTEND noninteractive
@@ -26,7 +26,7 @@ RUN apt-get install -y --no-install-recommends \
     mono-runtime ca-certificates-mono libmono-microsoft-csharp4.0-cil libmono-system-data4.0-cil libmono-system-runtime-serialization4.0-cil libmono-system-transactions4.0-cil libmono-system-net-http-webrequest4.0-cil
 
 # Isolate Python build stuff in a separate container
-FROM base as build
+FROM base AS build
 
 # Install Python build deps
 RUN apt-get install -y --no-install-recommends \