diff --git a/.github/workflows/nightly-publish.yml b/.github/workflows/nightly-publish.yml
index 42474420..f555e7cd 100644
--- a/.github/workflows/nightly-publish.yml
+++ b/.github/workflows/nightly-publish.yml
@@ -50,3 +50,16 @@ jobs:
         package-type: 'maven'
         min-versions-to-keep: 10
 
+  cleanup-old-packages:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Delete packages, keep most recent
+        uses: actions/delete-package-versions@v4
+        with:
+          package-name: 'org.minefortress.minefortress-nightly'
+          package-type: 'maven'
+          min-versions-to-keep: 10
+