diff --git a/action.yml b/action.yml
index 43dc596..47799bb 100644
--- a/action.yml
+++ b/action.yml
@@ -46,7 +46,23 @@ inputs:
   publish_path_outpout:
     description: "Chemin de publication de l'IG."
     required: false
-    default: ""    
+    default: ""
+  ig_registry_fork_owner:
+    description: "Propriétaire du fork ig-registry pour les PRs (ex: ansforge)"
+    required: false
+    default: "ansforge"
+  enable_ig_registry_pr:
+    description: "Active la création automatique de PR vers FHIR/ig-registry"
+    required: false
+    default: "true"
+  ig_registry_authority:
+    description: "Authority pour fhir-ig-list.json (ex: ANS (FR))"
+    required: false
+    default: "ANS (FR)"
+  ig_registry_country:
+    description: "Country code pour fhir-ig-list.json (ex: fr)"
+    required: false
+    default: "fr"
 runs:
   using: "composite"
   steps:
@@ -284,33 +300,135 @@ runs:
           path: IG-website-release
 
       #Initialisation du repo
-      - name: Init   publish_repo  
-        if: ${{ inputs.publish_repo != '' }}             
+      - name: Init   publish_repo
+        if: ${{ inputs.publish_repo != '' }}
         shell: bash
         run: |
           cd  IG-website-release
           git submodule update --init --recursive
 
+      #Synchronisation du fork ig-registry avec upstream FHIR/ig-registry
+      - name: Sync ig-registry fork with upstream
+        if: ${{ inputs.enable_ig_registry_pr == 'true' && inputs.ig_registry_fork_owner != '' }}
+        shell: bash
+        env:
+          FORK_OWNER: ${{ inputs.ig_registry_fork_owner }}
+          GH_TOKEN: ${{ inputs.publish_repo_token }}
+        run: |
+          cd IG-website-release/ig-registry
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+          # Add upstream remote (FHIR/ig-registry)
+          git remote add upstream https://github.com/FHIR/ig-registry.git || true
+
+          # Fetch upstream and merge
+          git fetch upstream
+          git checkout main || git checkout master
+          git merge upstream/main --no-edit || git merge upstream/master --no-edit
+
+          # Push to personal fork to keep it synced
+          git push https://x-access-token:${GH_TOKEN}@github.com/${FORK_OWNER}/ig-registry.git HEAD:main
+
       #Lancement de la release dans le repo
       - name: 🏃‍♂️ Run  Publisher to release
-        if: ${{ inputs.publish_repo != '' }}  
-        shell: bash                
-        run :   java -jar publisher.jar -go-publish    -authorise-non-conformant-tx-servers  -source  ${{ inputs.repo_ig}}  -web  ${{  inputs.publish_path_outpout }} -registry ./IG-website-release/ig-registry/fhir-ig-list.json -history ./IG-website-release/fhir-ig-history-template -templates ./IG-website-release/templates 
-                
+        if: ${{ inputs.publish_repo != '' }}
+        shell: bash
+        run :   java -jar publisher.jar -go-publish    -authorise-non-conformant-tx-servers  -source  ${{ inputs.repo_ig}}  -web  ${{  inputs.publish_path_outpout }} -registry ./IG-website-release/ig-registry/fhir-ig-list.json -history ./IG-website-release/fhir-ig-history-template -templates ./IG-website-release/templates
+
+      #Détection des changements dans ig-registry et création de branche
+      - name: Commit and push ig-registry changes
+        if: ${{ inputs.enable_ig_registry_pr == 'true' && inputs.ig_registry_fork_owner != '' }}
+        shell: bash
+        env:
+          FORK_OWNER: ${{ inputs.ig_registry_fork_owner }}
+          GH_TOKEN: ${{ inputs.publish_repo_token }}
+          IG_AUTHORITY: ${{ inputs.ig_registry_authority }}
+          IG_COUNTRY: ${{ inputs.ig_registry_country }}
+          REPO_IG: ${{ inputs.repo_ig }}
+        run: |
+          cd IG-website-release/ig-registry
+
+          # Check if there are changes in fhir-ig-list.json
+          if git diff --quiet fhir-ig-list.json; then
+            echo "No changes in ig-registry, skipping PR creation"
+            echo "CREATE_PR=false" >> $GITHUB_ENV
+          else
+            echo "Changes detected in ig-registry"
+
+            # Extract package ID from publication-request.json
+            PACKAGE_ID=$(jq -r '."package-id"' "../../${REPO_IG}/publication-request.json")
+            echo "Package ID: $PACKAGE_ID"
+
+            # Update authority and country in fhir-ig-list.json using sed
+            # This preserves the original formatting and only modifies the relevant fields
+            sed -i.bak -e '
+              /"npm-name"[[:space:]]*:[[:space:]]*"'"$PACKAGE_ID"'"/,/"editions"[[:space:]]*:/ {
+                s|\("authority"[[:space:]]*:[[:space:]]*\)"[^"]*"|\1"'"$IG_AUTHORITY"'"|
+                s|\("country"[[:space:]]*:[[:space:]]*\)"[^"]*"|\1"'"$IG_COUNTRY"'"|
+              }
+            ' fhir-ig-list.json
+            rm -f fhir-ig-list.json.bak
+
+            echo "CREATE_PR=true" >> $GITHUB_ENV
+
+            # Create a new branch for the PR
+            BRANCH_NAME="ans-update-$(date +%Y%m%d-%H%M%S)"
+            echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
+
+            git checkout -b "$BRANCH_NAME"
+            git add fhir-ig-list.json
+
+            # Commit with multi-line message
+            git commit -m "Update ANS FHIR Implementation Guides" -m "Automated update from ANS IG publication workflow." -m "This commit updates the FHIR IG registry with the latest ANS Implementation Guides."
+
+            # Push to personal fork
+            git push -u https://x-access-token:${GH_TOKEN}@github.com/${FORK_OWNER}/ig-registry.git "$BRANCH_NAME"
+          fi
+
+      #Création de la Pull Request vers FHIR/ig-registry
+      - name: Create Pull Request to FHIR/ig-registry
+        if: ${{ inputs.enable_ig_registry_pr == 'true' && env.CREATE_PR == 'true' }}
+        shell: bash
+        env:
+          GH_TOKEN: ${{ inputs.publish_repo_token }}
+          FORK_OWNER: ${{ inputs.ig_registry_fork_owner }}
+          PR_BRANCH: ${{ env.BRANCH_NAME }}
+          REPO_IG: ${{ inputs.repo_ig }}
+        run: |
+          # Extract package ID and version from publication-request.json
+          PACKAGE_ID=$(jq -r '."package-id"' "${REPO_IG}/publication-request.json")
+          VERSION=$(jq -r '.version' "${REPO_IG}/publication-request.json")
+
+          cd IG-website-release/ig-registry
+          gh pr create \
+            --repo FHIR/ig-registry \
+            --head "${FORK_OWNER}:${PR_BRANCH}" \
+            --title "ANS (french e-health agency) - Add new IG in the fhir-ig-list - ${PACKAGE_ID} - v${VERSION}" \
+            --body "Automated PR from ANS Publication Workflow. This PR updates the FHIR IG registry with the latest ANS (Agence du Numérique en Santé) Implementation Guide: **${PACKAGE_ID}** version **${VERSION}**. Please review and merge if the changes look correct."
 
       #Commit de la release
       - name: Commit change
-        if: ${{ inputs.publish_repo != '' }}  
-        shell: bash              
+        if: ${{ inputs.publish_repo != '' }}
+        shell: bash
+        env:
+          REPO_IG: ${{ inputs.repo_ig }}
         run: |
-          PACKAGE_ID=$(jq -r '."package-id"' ${{ inputs.repo_ig}}/publication-request.json)
-          VERSION=$(jq -r '.version' ${{ inputs.repo_ig}}/publication-request.json)
+          # Extract package ID and version from publication-request.json
+          PACKAGE_ID=$(jq -r '."package-id"' "${REPO_IG}/publication-request.json")
+          VERSION=$(jq -r '.version' "${REPO_IG}/publication-request.json")
+
           cd  IG-website-release
+
+          # Reset ig-registry submodule to avoid including unreleased changes
+          # The ig-registry changes are already pushed to a separate branch and will be merged via PR
+          git submodule update --init ig-registry
+
           git config user.name github-actions
           git config user.email github-actions@esante.gouv.fr
-          git add -A 
+          git add -A
           git commit -m "Publication ${PACKAGE_ID} ${VERSION}" || echo "No changes to commit"
-          
+
       #Push de la release
       - name: Push changes 
         if: ${{ inputs.publish_repo != '' }}