diff --git a/.github/workflows/update_leaderboard.yaml b/.github/workflows/update_leaderboard.yaml
deleted file mode 100644
index 337b6a9..0000000
--- a/.github/workflows/update_leaderboard.yaml
+++ /dev/null
@@ -1,70 +0,0 @@
-name: Update leaderboard on PR Merge.
-
-on:
-  pull_request:
-    types: [opened, reopened, synchronize]
-  # pull_request:
-  #   branches:
-  #     - development
-  #   types:
-  #     [closed]
-
-jobs:
-  leaderboard_evaluation:
-    runs-on: ubuntu-latest
-    steps:
-      # Check changes in the source branch of the PR
-      - name: Check if there are any changes in submissions dir
-        uses: dorny/paths-filter@v3.0.2
-        id: changes
-        with:
-          filters: |
-            src:
-              - 'session_2/challenge/submissions/**'
-          list-files: "shell"
-
-      - name: Print changed files
-        run: |
-          echo '${{ toJSON(steps.changes.outputs) }}'
-
-      - if: ${{ (steps.changes.outputs.src_count > 1) }}
-        uses: actions/github-script@v7
-        with:
-          script: core.setFailed('More than one submissions are not allowed at once.')
-                        
-      # Update leaderboard only if single file is changed in submission dir
-      - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
-        name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          # Here we checkout the target branch of the PR
-          repository: ${{ github.event.pull_request.base.repo.full_name }}
-          ref: ${{ github.event.pull_request.base.ref }}
-          token: ${{ secrets.GH_PAT }}
-
-      - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
-        name: Install Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.10"
-
-      - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
-        name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r session_2/challenge/requirements.txt
-
-      - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
-        name: Run leaderboard update script
-        id: leaderboard-update
-        run: |
-          cd session_2/challenge
-          filename=$(basename "${{ steps.changes.outputs.src_files }}")
-          filename_without_extension="${filename%.*}"  # Remove extension          
-          python -m scripts.leaderboard --github_user="${{ github.event.pull_request.user.login }}" --prompt="$filename_without_extension"
-
-      - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
-        name: Commit changes
-        uses: EndBug/add-and-commit@v9
-        with:
-          default_author: github_actions
\ No newline at end of file
diff --git a/.github/workflows/update_leaderboard_after_merge.yaml b/.github/workflows/update_leaderboard_after_merge.yaml
new file mode 100644
index 0000000..8870e20
--- /dev/null
+++ b/.github/workflows/update_leaderboard_after_merge.yaml
@@ -0,0 +1,64 @@
+name: Update leaderboard on PR Merge.
+
+on:
+  push:
+    branches:
+      - development
+
+jobs:
+  leaderboard_evaluation:
+    runs-on: ubuntu-latest
+      - uses: actions/checkout@v4
+        with:
+          # This may save additional git fetch roundtrip if
+          # merge-base is found within latest 20 commits
+          fetch-depth: 20    
+      # Check changes in the source branch of the PR
+      - name: Check if there are any changes in submissions dir
+        uses: dorny/paths-filter@v3.0.2
+        id: changes
+        with:
+          filters: |
+            src:
+              - 'session_2/challenge/submissions/**'
+          list-files: "shell"
+
+      - name: Print changed files
+        run: |
+          echo '${{ toJSON(steps.changes.outputs) }}'
+                        
+      # # Update leaderboard only if single file is changed in submission dir
+      # - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
+      #   name: Checkout code
+      #   uses: actions/checkout@v4
+      #   with:
+      #     # Here we checkout the target branch of the PR
+      #     ref: ${{ github.event.pull_request.base.ref }}
+      #     token: ${{ secrets.GH_PAT }}
+
+      # - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
+      #   name: Install Python
+      #   uses: actions/setup-python@v5
+      #   with:
+      #     python-version: "3.10"
+
+      # - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
+      #   name: Install dependencies
+      #   run: |
+      #     python -m pip install --upgrade pip
+      #     pip install -r session_2/challenge/requirements.txt
+
+      # - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
+      #   name: Run leaderboard update script
+      #   id: leaderboard-update
+      #   run: |
+      #     cd session_2/challenge
+      #     filename=$(basename "${{ steps.changes.outputs.src_files }}")
+      #     filename_without_extension="${filename%.*}"  # Remove extension          
+      #     python -m scripts.leaderboard --github_user="${{ github.event.pull_request.user.login }}" --prompt="$filename_without_extension"
+
+      # - if: ${{ (steps.changes.outputs.src == 'true') && (steps.changes.outputs.src_count == 1) }}
+      #   name: Commit changes
+      #   uses: EndBug/add-and-commit@v9
+      #   with:
+      #     default_author: github_actions
\ No newline at end of file