diff --git a/.github/workflows/generate-reference.yml b/.github/workflows/generate-reference.yml
index 3a02603..f60c3d6 100644
--- a/.github/workflows/generate-reference.yml
+++ b/.github/workflows/generate-reference.yml
@@ -12,38 +12,38 @@ on:
         required: true
       antares_tag:
         description: "Antares_Simulator solver tag"
-        default: v8.0.3
+        default: v9.0.0
         required: true
       antares_tests_tag:
         description: "Antares_Simulator_Tests_NR"
-        default: v8.0.0
+        default: v9.0.0
         required: true
 
 jobs:
     release:
       runs-on: ubuntu-latest
       outputs:
-        url: ${{ steps.create_release.outputs.upload_url }}
+        batches: ${{ steps.read_batches.outputs.batches }}
+
       steps:
-        - name: Release creation
-          uses: actions/create-release@v1
-          id: create_release
+        - name: Checkout SimTest
+          uses: actions/checkout@v4
+
+        - name: Create release
           env:
             GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          with:
-            tag_name: ${{ github.event.inputs.release_tag }}
-            release_name: ${{ github.event.inputs.release_name }}
-            body: |
-              Antares_Simulator : ${{ github.event.inputs.antares_tag }}
-              Antares_Simulator_Tests_NR : ${{ github.event.inputs.antares_tests_tag }}
-
-    matrix:
-      runs-on: ubuntu-latest
-      needs: release
-      outputs:
-        batches: ${{ steps.read_batches.outputs.batches }}
+            tag: ${{ github.event.inputs.release_tag }}
+            title: ${{ github.event.inputs.release_name }}
+            antares_tag: ${{ github.event.inputs.antares_tag }}
+            antares_tests_tag: ${{ github.event.inputs.antares_tests_tag }}
+          run: |
+            gh release create "$tag" \
+                --repo="$GITHUB_REPOSITORY" \
+                --title="$title" \
+                --target="$target_branch" \
+                --notes="Antares_Simulator: $antares_tag
+                Antares_Simulator_Tests_NR: $antares_tests_tag"
 
-      steps:
         - name: Download study-batches.txt
           run: |
             wget https://github.com/AntaresSimulatorTeam/Antares_Simulator_Tests_NR/releases/download/${{ github.event.inputs.antares_tests_tag }}/study-batches.txt
@@ -52,30 +52,27 @@ jobs:
           id: read_batches
           run: |
             BATCHES=$(printf "\"%s\"," $(cat study-batches.txt) | sed "s/^/[/;s/,$/]/")
-            echo "::set-output name=batches::$BATCHES"
+            echo "batches=$BATCHES" >> $GITHUB_OUTPUT
 
         - name: Upload study-batches.txt
-          uses: actions/upload-release-asset@v1
           env:
             GITHUB_TOKEN: ${{ github.token }}
-          with:
-            upload_url: ${{ needs.release.outputs.url }}
-            asset_path: study-batches.txt
-            asset_name: study-batches.txt
-            asset_content_type: application/octet-stream
+            tag: ${{ github.event.inputs.release_tag }}
+          run: |
+            gh release upload "$tag" study-batches.txt
 
     generation:
         runs-on: ${{ matrix.os }}
-        needs: [release, matrix]
+        needs: release
         strategy:
           fail-fast: false
           matrix:
-            batch: ${{ fromJson(needs.matrix.outputs.batches) }}
+            batch: ${{ fromJson(needs.release.outputs.batches) }}
             os: [ubuntu-20.04, windows-2022]
 
         steps:
         - name: Checkout SimTest
-          uses: actions/checkout@v2
+          uses: actions/checkout@v4
 
         - name: Pre-requisites (Windows)
           if: ${{ startsWith(matrix.os, 'windows') }}
@@ -130,19 +127,17 @@ jobs:
         - name: Write tags to file
           shell: bash
           run: |
-              echo Antares_Simulator ${{ github.event.inputs.antares_tag }} >> ${{ matrix.batch }}/version.txt
-              echo Antares_Simulator_Tests_NR ${{ github.event.inputs.antares_tests_tag }} >> ${{ matrix.batch }}/version.txt
+              echo Antares_Simulator ${{ github.event.inputs.antares_tag }} >> ${{ matrix.batch }}/version.txt              echo Antares_Simulator_Tests_NR ${{ github.event.inputs.antares_tests_tag }} >> ${{ matrix.batch }}/version.txt
               echo SimTest ${{ github.event.inputs.release_tag }} >> ${{ matrix.batch }}/version.txt
 
         - name: zip results
-          run: zip -q -r results.zip ${{ matrix.batch }}
+          run: zip -q -r ${{ matrix.batch }}-${{ matrix.os }}.zip ${{ matrix.batch }}
 
         - name: Upload .zip
-          uses: actions/upload-release-asset@v1
           env:
             GITHUB_TOKEN: ${{ github.token }}
-          with:
-            upload_url: ${{ needs.release.outputs.url }}
-            asset_path: results.zip
-            asset_name: ${{ matrix.batch }}-${{ matrix.os }}.zip
-            asset_content_type: application/octet-stream
+            tag: ${{ github.event.inputs.release_tag }}
+          shell: bash
+          run: |
+            gh release upload "$tag" ${{ matrix.batch }}-${{ matrix.os }}.zip
+