diff --git a/.github/workflows/debug-gpg.yml b/.github/workflows/debug-gpg.yml
new file mode 100644
index 000000000..fd490ea70
--- /dev/null
+++ b/.github/workflows/debug-gpg.yml
@@ -0,0 +1,60 @@
+name: Debug GPG
+on: [push, pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    environment:
+      name: debugging-gpg
+    steps:
+    - name: Clone the repositories
+      run: |
+          git clone https://github.com/canonical/dqlite
+          git clone https://github.com/canonical/dqlite-ppa -b dqlite --depth 1
+
+    - name: Setup dependencies
+      run: |
+          sudo apt-get update -qq
+          sudo apt-get install -qq debhelper devscripts gnupg
+
+    - name: Setup dummy GPG signing key
+      run: |
+          cat >private-key.asc <<EOF
+          -----BEGIN PGP PRIVATE KEY BLOCK-----
+          
+          lFgEZtjANBYJKwYBBAHaRw8BAQdAMMPOM6ZjrAxGwCJi9MdTq2NooHUQYOtcjvUT
+          UdNZDJIAAP9pb0pLlR8PBcM4lo23Zv6zjhrjTE7lUzcUdLjyNl+vSA9ytBtub2Jv
+          ZHkgPG5vYm9keUBleGFtcGxlLm9yZz6ImQQTFgoAQRYhBIOEyClCYyFn14GO+zus
+          VVX2I+eJBQJm2MA0AhsDBQkFo5qABQsJCAcCAiICBhUKCQgLAgQWAgMBAh4HAheA
+          AAoJEDusVVX2I+eJKDQBAO0lotGtkfY4q4nX47Oxomm1HSxbqPetpqwHP16U0hv/
+          AP4vX0hYyJ0ucezLSIKPWN31CGRLs72/xp+kubvIgftICZxdBGbYwDQSCisGAQQB
+          l1UBBQEBB0D5x9tZ5s5u2odc2/7WYzlD4SqMMHVT2MGR8I4OapknSAMBCAcAAP9V
+          whtQ69uI7nqBVdL6NFGVFSBjB6PqT/gdXZtYFqOjYBCPiHgEGBYKACAWIQSDhMgp
+          QmMhZ9eBjvs7rFVV9iPniQUCZtjANAIbDAAKCRA7rFVV9iPniXgrAQC5D66DloAF
+          GKnAwHbU5rk6TtkIcDU34Xo3qaqKwPSAWAEA+WwW7YVlpQo29eLu/zPQ6h2HbWx0
+          bU4YJYrPcZ0Npws=
+          =2prG
+          -----END PGP PRIVATE KEY BLOCK-----
+          EOF
+          gpg --import --batch private-key.asc
+
+    - name: Delete GPG signing key file
+      if: always()
+      run: |
+          rm -f private-key.asc
+
+    - name: Build source package
+      env:
+        DEBFULLNAME: "nobody"
+        DEBEMAIL: "nobody@example.org"
+        TARGET: "noble"
+      run: |
+          cp -R dqlite-ppa/debian dqlite/
+          cd dqlite/
+          VERSION="$(git describe --tags | sed -e "s/^v//" -e "s/-/+git/")"
+          DUMMY_PUBLIC_KEY="8384C82942632167D7818EFB3BAC5555F623E789"
+          dch --create \
+            --distribution ${TARGET} \
+            --package dqlite \
+            --newversion ${VERSION}~${TARGET}1 \
+            "Automatic build from Github"
+          debuild -S -sa -d -k$DUMMY_PUBLIC_KEY