diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
new file mode 100644
index 0000000..1de3e0a
--- /dev/null
+++ b/.github/workflows/prepare-release.yml
@@ -0,0 +1,21 @@
+name: Prepare Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      releaseVersion:
+        description: Release version (vX.X)
+        required: true
+      gitReference:
+        description: SHA of the commit from where to release or branch name
+        required: true
+
+jobs:
+  run-release:
+    uses: powsybl/github-ci/.github/workflows/prepare-release.yml@f078f32800ad0555275dedb3e200f87ad1560a83
+    with:
+      githubappId: ${{ vars.GRIDSUITE_ACTIONS_APPID }}
+      releaseVersion: ${{ github.event.inputs.releaseVersion }}
+      gitReference: ${{ github.event.inputs.gitReference }}
+    secrets:
+      VERSIONBUMP_GHAPP_PRIVATE_KEY: ${{ secrets.VERSIONBUMP_GHAPP_PRIVATE_KEY }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 327150f..4a01394 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,19 +6,15 @@ on:
       releaseVersion:
         description: Release version (vX.X)
         required: true
-      gitReference:
-        description: SHA of the commit from where to release or branch name
-        required: true
 
 jobs:
   run-release:
-    uses: powsybl/github-ci/.github/workflows/release-base-docker-image-generic.yml@0d8ae1ddb3c03d77626232819c7026db6c5f2699
+    uses: powsybl/github-ci/.github/workflows/release-base-docker-image-generic.yml@f078f32800ad0555275dedb3e200f87ad1560a83
     with:
       githubappId: ${{ vars.GRIDSUITE_ACTIONS_APPID }}
       dockerImage: gridsuite/admin-tools
       dockerUsername: gridsuiteci
       releaseVersion: ${{ github.event.inputs.releaseVersion }}
-      gitReference: ${{ github.event.inputs.gitReference }}
     secrets:
       VERSIONBUMP_GHAPP_PRIVATE_KEY: ${{ secrets.VERSIONBUMP_GHAPP_PRIVATE_KEY }}
       DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}