diff --git a/.github/workflows/reusable_cms_deploy.yml b/.github/workflows/reusable_cms_deploy.yml
index 6603c933..c5b14d00 100644
--- a/.github/workflows/reusable_cms_deploy.yml
+++ b/.github/workflows/reusable_cms_deploy.yml
@@ -38,7 +38,7 @@ permissions:
   contents: read 
 
 jobs:
-  deploy-static-site:
+  deploy-cms:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -96,3 +96,72 @@ jobs:
           kubectl config set-context --current --namespace=argocd
           argocd app set site-instit-${{ inputs.environment }} --core --plugin-env "ARGS=--set deployment.image.tag=${{ inputs.image_tag }}"
           argocd app wait site-instit-${{ inputs.environment }} --core --sync --health --timeout 180
+
+  notification:
+    name: "Notification"
+    runs-on: ubuntu-latest
+    needs: [deploy-cms]
+    if: ${{ always() }}
+    steps:
+      - name: "Authentification to Google"
+        uses: 'google-github-actions/auth@v2'
+        with:
+          workload_identity_provider: ${{ secrets.SECRETS_WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ secrets.SECRETS_SERVICE_ACCOUNT }}
+      - name: "Get Secret"
+        id: 'secrets'
+        uses: 'google-github-actions/get-secretmanager-secrets@v2'
+        with:
+          secrets: |-
+            SLACK_BOT_TOKEN:passculture-metier-ehp/passculture-ci-slack-bot-token
+      - name: "Post to a Slack channel on success"
+        if: ${{ always() && contains(needs.deploy-cms.result, 'success') }}
+        uses: slackapi/slack-github-action@v1.24.0
+        with:
+          # channel #alertes-deploiement-site-instit
+          channel-id: "C06EKUL552T"
+          payload: |
+            {
+              "attachments": [
+                {
+                  "mrkdwn_in": ["text"],
+                  "color": "#36A64F",
+                  "author_name": "${{github.actor}}",
+                  "author_link": "https://github.com/${{github.actor}}",
+                  "author_icon": "https://github.com/${{github.actor}}.png",
+                  "title": "CMS Site instit",
+                  "title_link": "https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}",
+                  "text": "Le CMS du site instit vient d'être déployé en ${{ inputs.environment }} :white_check_mark:"
+                }
+              ],
+              "unfurl_links": false,
+              "unfurl_media": false
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ steps.secrets.outputs.SLACK_BOT_TOKEN }}
+      - name: "Post to a Slack channel on failure"
+        if: ${{ always() && contains(needs.deploy-cms.result, 'failure') }}
+        uses: slackapi/slack-github-action@v1.24.0
+        with:
+          # channel #alertes-deploiement-site-instit
+          channel-id: "C06EKUL552T"
+          payload: |
+            {
+              "attachments": [
+                {
+                  "mrkdwn_in": ["text"],
+                  "color": "#A30002",
+                  "author_name": "${{github.actor}}",
+                  "author_link": "https://github.com/${{github.actor}}",
+                  "author_icon": "https://github.com/${{github.actor}}.png",
+                  "title": "CMS Site Instit",
+                  "title_link": "https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}",
+                  "text": "Le déploiement du CMS site instit vient d'échouer en ${{ inputs.environment }} :boom:"
+                }
+              ],
+              "unfurl_links": false,
+              "unfurl_media": false
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ steps.secrets.outputs.SLACK_BOT_TOKEN }}
+
diff --git a/.github/workflows/reusable_public_site_deploy.yml b/.github/workflows/reusable_public_site_deploy.yml
index 7e52fbb0..35a78496 100644
--- a/.github/workflows/reusable_public_site_deploy.yml
+++ b/.github/workflows/reusable_public_site_deploy.yml
@@ -90,3 +90,72 @@ jobs:
         run: |
           firebase use pc-site-instit-${{ inputs.environment }} 
           firebase deploy --only hosting:${{ inputs.environment }} --project pc-site-instit-${{ inputs.environment }} --non-interactive
+
+  notification:
+    name: "Notification"
+    runs-on: ubuntu-latest
+    needs: [deploy-static-site]
+    if: ${{ always() }}
+    steps:
+      - name: "Authentification to Google"
+        uses: 'google-github-actions/auth@v2'
+        with:
+          workload_identity_provider: ${{ secrets.SECRETS_WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ secrets.SECRETS_SERVICE_ACCOUNT }}
+      - name: "Get Secret"
+        id: 'secrets'
+        uses: 'google-github-actions/get-secretmanager-secrets@v2'
+        with:
+          secrets: |-
+            SLACK_BOT_TOKEN:passculture-metier-ehp/passculture-ci-slack-bot-token
+      - name: "Post to a Slack channel on success"
+        if: ${{ always() && contains(needs.deploy-static-site.result, 'success') }}
+        uses: slackapi/slack-github-action@v1.24.0
+        with:
+          # channel #alertes-deploiement-site-instit
+          channel-id: "C06EKUL552T"
+          payload: |
+            {
+              "attachments": [
+                {
+                  "mrkdwn_in": ["text"],
+                  "color": "#36A64F",
+                  "author_name": "${{github.actor}}",
+                  "author_link": "https://github.com/${{github.actor}}",
+                  "author_icon": "https://github.com/${{github.actor}}.png",
+                  "title": "Site instit public",
+                  "title_link": "https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}",
+                  "text": "Le site instit vient d'être déployé en ${{ inputs.environment }} :white_check_mark:"
+                }
+              ],
+              "unfurl_links": false,
+              "unfurl_media": false
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ steps.secrets.outputs.SLACK_BOT_TOKEN }}
+      - name: "Post to a Slack channel on failure"
+        if: ${{ always() && contains(needs.deploy-static-site.result, 'failure') }}
+        uses: slackapi/slack-github-action@v1.24.0
+        with:
+          # channel #alertes-deploiement-site-instit
+          channel-id: "C06EKUL552T"
+          payload: |
+            {
+              "attachments": [
+                {
+                  "mrkdwn_in": ["text"],
+                  "color": "#A30002",
+                  "author_name": "${{github.actor}}",
+                  "author_link": "https://github.com/${{github.actor}}",
+                  "author_icon": "https://github.com/${{github.actor}}.png",
+                  "title": "Site instit public",
+                  "title_link": "https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}",
+                  "text": "Le déploiement du site instit vient d'échouer en ${{ inputs.environment }} :boom:"
+                }
+              ],
+              "unfurl_links": false,
+              "unfurl_media": false
+            }
+        env:
+          SLACK_BOT_TOKEN: ${{ steps.secrets.outputs.SLACK_BOT_TOKEN }}
+