diff --git a/.github/workflows/pr-open.yml b/.github/workflows/pr-open.yml
index c424f0f..dd9e6d7 100644
--- a/.github/workflows/pr-open.yml
+++ b/.github/workflows/pr-open.yml
@@ -15,7 +15,7 @@ jobs:
     name: Retag
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./
         with:
           package: backend
@@ -31,7 +31,7 @@ jobs:
     name: Basic
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./
         with:
           package: frontend
@@ -46,7 +46,7 @@ jobs:
     name: Advanced
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./
         with:
           package: api
diff --git a/action.yml b/action.yml
index f670bad..4c464f2 100644
--- a/action.yml
+++ b/action.yml
@@ -44,7 +44,7 @@ outputs:
 runs:
   using: composite
   steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         # Check out build repo
         repository: ${{ inputs.repository }}
@@ -168,4 +168,4 @@ runs:
         build-args: ${{ steps.vars.outputs.build_arguments }}
 
     - name: Checkout Action repo to pass tests
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4