diff --git a/.github/workflows/integration.yaml b/.github/workflows/integration.yaml
index a44e960..b3e0f86 100644
--- a/.github/workflows/integration.yaml
+++ b/.github/workflows/integration.yaml
@@ -22,7 +22,9 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+        with: 
+          ref: 5/edge
       - name: Setup operator environment
         uses: charmed-kubernetes/actions-operator@main
         with:
diff --git a/rockcraft.yaml b/rockcraft.yaml
index 6a6bbb6..94502cf 100644
--- a/rockcraft.yaml
+++ b/rockcraft.yaml
@@ -1,8 +1,8 @@
 # Copyright 2023 Canonical Ltd.
 # See LICENSE file for licensing details.
 name: charmed-mongodb # the name of your ROCK
-base: ubuntu:22.04 # the base environment for this ROCK
-version: "5.0.14-12" # just for humans. Semantic versioning is recommended
+base: ubuntu@22.04 # the base environment for this ROCK
+version: "12" # just for humans. Semantic versioning is recommended
 summary: MongoDB in a rock. # 79 char long summary
 description: |
   MongoDB is a source-available cross-platform