diff --git a/.github/workflows/release-itowns.yml b/.github/workflows/release-itowns.yml
index 010b9a63..bfa3d5d7 100644
--- a/.github/workflows/release-itowns.yml
+++ b/.github/workflows/release-itowns.yml
@@ -42,14 +42,14 @@ jobs:
 
       - name: Upload JSDoc artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: jsdoc
           path: jsdoc/itowns
 
       - name: Upload Binary artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: dist
           path: dist/itowns
@@ -57,13 +57,13 @@ jobs:
       # FIXME artifacts bundles and binary are the same !?
       - name: Upload Bundles artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: bundles
           path: bundles.zip
 
       - name: Upload Package artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: package
           path: build/scripts/release/geoportal-extensions-itowns
@@ -156,7 +156,7 @@ jobs:
 
       - name: Upload ChangeLog artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: changelog
           path: DRAFT_CHANGELOG_${{ env.LIBRARY }}.md
diff --git a/.github/workflows/release-leaflet.yml b/.github/workflows/release-leaflet.yml
index f42fb99c..7b0d1807 100644
--- a/.github/workflows/release-leaflet.yml
+++ b/.github/workflows/release-leaflet.yml
@@ -42,14 +42,14 @@ jobs:
 
       - name: Upload JSDoc artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: jsdoc
           path: jsdoc/leaflet
 
       - name: Upload Binary artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: dist
           path: dist/leaflet
@@ -57,13 +57,13 @@ jobs:
       # FIXME artifacts bundles and binary are the same !?
       - name: Upload Bundles artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: bundles
           path: bundles.zip
 
       - name: Upload Package artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: package
           path: build/scripts/release/geoportal-extensions-leaflet
@@ -156,7 +156,7 @@ jobs:
 
       - name: Upload ChangeLog artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: changelog
           path: DRAFT_CHANGELOG_${{ env.LIBRARY }}.md
diff --git a/.github/workflows/release-ol.yml b/.github/workflows/release-ol.yml
index 11879559..9900083f 100644
--- a/.github/workflows/release-ol.yml
+++ b/.github/workflows/release-ol.yml
@@ -42,14 +42,14 @@ jobs:
 
       - name: Upload JSDoc artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: jsdoc
           path: jsdoc/openlayers
 
       - name: Upload Binary artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: dist
           path: dist/openlayers
@@ -57,13 +57,13 @@ jobs:
       # FIXME artifacts bundles and binary are the same !?
       - name: Upload Bundles artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: bundles
           path: bundles.zip
 
       - name: Upload Package artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: package
           path: build/scripts/release/geoportal-extensions-openlayers
@@ -158,7 +158,7 @@ jobs:
 
       - name: Upload ChangeLog artifacts
         if: github.event_name == 'push' && contains(github.ref, '/tags/') # Only for tags !
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: changelog
           path: DRAFT_CHANGELOG_${{ env.LIBRARY }}.md
diff --git a/DRAFT_CHANGELOG.md b/DRAFT_CHANGELOG.md
index 79b3c058..5ed5f635 100644
--- a/DRAFT_CHANGELOG.md
+++ b/DRAFT_CHANGELOG.md
@@ -18,6 +18,7 @@ Mise à jour de la bibliothèque d'accès et corrections diverses
 * [Changed]
 
     - mise à jour de la bibliothèque d'accès en version 3.4.6
+    - upgrade de upload-articfact en v4
 
 * [Deprecated]