diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 94669f1..ed43440 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: 'Checkout Jammy Repo'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get version
         run: |
@@ -19,7 +19,7 @@ jobs:
          echo "release=${REL}" >> $GITHUB_ENV
           
       - name: 'Checkout mainline Repo'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: mainline
           persist-credentials: false
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: 'Checkout Jammy Repo'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Get version
         run: |
@@ -52,7 +52,7 @@ jobs:
          echo "release=${REL}" >> $GITHUB_ENV
           
       - name: 'Checkout kubuntuJammy Repo'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: kubuntuJammy
           persist-credentials: false
@@ -74,7 +74,7 @@ jobs:
   ISO:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build
         run: sudo ./build_in_docker.sh