diff --git a/.github/workflows/check-misp-version.yml b/.github/workflows/check-misp-version.yml
new file mode 100644
index 0000000..11405a8
--- /dev/null
+++ b/.github/workflows/check-misp-version.yml
@@ -0,0 +1,46 @@
+name: Check External Release
+on:
+  schedule:
+    - cron: '0 0 * * 1'
+  workflow_dispatch:
+
+jobs:
+  check-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Get latest release
+        id: release
+        uses: actions/github-script@v7
+        with:
+          result-encoding: string
+          script: |
+            const { data: release } = await github.rest.repos.getLatestRelease({
+              owner: 'MISP',
+              repo: 'MISP'
+            });
+            return release.tag_name;
+
+      - name: Compare with stored version
+        id: compare
+        run: |
+          LAST_VERSION=$(cat MISP_VERSION 2>/dev/null || echo "")
+          NEW_VERSION="${{ steps.release.outputs.result }}"
+          echo "last_version=$LAST_VERSION" >> $GITHUB_OUTPUT
+          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
+          if [ "$LAST_VERSION" != "$NEW_VERSION" ]; then
+            echo "changed=true" >> $GITHUB_OUTPUT
+            echo "New MISP release detected: $NEW_VERSION"
+            echo "$NEW_VERSION" > MISP_VERSION
+          else
+            echo "changed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit version file
+        if: steps.compare.outputs.changed == 'true'
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: 'Update MISP version to ${{ steps.compare.outputs.new_version }}'
+          file_pattern: MISP_VERSION
\ No newline at end of file
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 64b3517..2c8cedf 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -5,12 +5,6 @@ on:
     branches: [ main ]
   pull_request:
     branches: [ main ]
-  workflow_dispatch:
-    inputs:
-      misp_ref:
-        description: 'MISP branch or tag to build'
-        required: true
-        default: 'develop'
 
 env:
   REGISTRY_IMAGE: ghcr.io/nukib/misp
@@ -33,8 +27,11 @@ jobs:
         uses: docker/setup-buildx-action@v4
 
       - name: Fetch variables
-        run: for v in $(python3 .github/workflows/docker-version.py ${{ github.event.inputs.misp_ref }}); do echo $v >> $GITHUB_ENV; done
-        id: variables
+        run: |
+          MISP_VERSION=$(cat MISP_VERSION) 
+          for v in $(python3 .github/workflows/docker-version.py ${MISP_VERSION}); 
+            do echo $v >> $GITHUB_ENV; 
+          done
 
       - name: Cache Docker layers
         uses: actions/cache@v6
diff --git a/MISP_VERSION b/MISP_VERSION
new file mode 100644
index 0000000..c32614e
--- /dev/null
+++ b/MISP_VERSION
@@ -0,0 +1 @@
+v2.5.50
\ No newline at end of file