diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c3ad9bd9..ab2aabbb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,6 +8,7 @@ on:
 
 jobs:
   ksc:
+    environment: unstable
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -62,6 +63,17 @@ jobs:
 
 # TODO: add compiler/jvm/target/rpm/RPMS/noarch/kaitai-struct-compiler-*.noarch.rpm
 
+      - name: publish deb to repo
+        uses: kaitai-io/repo-apt-handle@v0.1
+        with:
+          az_storage_sas_token: ${{ secrets.AZURE_STORAGE_SAS_TOKEN }}
+          az_storage_account: packageskaitai
+          az_storage_container: unstable
+          packages: compiler/jvm/target/kaitai-struct-compiler_*_all.deb
+          gpg_priv_key: ${{ secrets.GPG_PRIV_KEY }}
+          gpg_passphrase: ${{ secrets.GPG_PASSPHRASE }}
+        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+
       - name: translator-tests
         run: |
           cd tests