diff --git a/.github/workflows/copy.sh b/.github/workflows/copy.sh
new file mode 100644
index 0000000..771e721
--- /dev/null
+++ b/.github/workflows/copy.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Chemin du fichier source (à ajuster selon votre dépôt)
+SOURCE_FILE=".github/workflows/install.sh"
+
+# Chemin de destination dans le répertoire stage-install
+DESTINATION_DIR="${{ github.workspace }}/${{ inputs.custom-pi-gen-dir }}/stage-install"
+
+# Copie du fichier
+cp $SOURCE_FILE $DESTINATION_DIR
\ No newline at end of file
diff --git a/.github/workflows/images.yaml b/.github/workflows/images.yaml
index a42f03d..38fc12d 100644
--- a/.github/workflows/images.yaml
+++ b/.github/workflows/images.yaml
@@ -5,6 +5,7 @@ jobs:
   pre-release:
     runs-on: ubuntu-latest
     steps:
+      - run: .github/workflows/copy.sh
       - uses: usimd/pi-gen-action@v1
         with:
           image-name: ucia
@@ -19,6 +20,7 @@ jobs:
           release: buster
           wpa-essid: 'ucia'
           wpa-password : 'rosa-ucia'
+          stage: stage0 stage1 stage2 stage3 stage4 stage-install
       - uses: actions/upload-artifact@v3
         with:
           name: ucia
diff --git a/.github/workflows/install.sh b/.github/workflows/install.sh
new file mode 100644
index 0000000..50d5e32
--- /dev/null
+++ b/.github/workflows/install.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+sed -i 's/stable\/updates/stable-security\/updates/' /etc/apt/sources.list
\ No newline at end of file