diff --git a/.github/actions/determine-packages/action.yml b/.github/actions/determine-packages/action.yml
index 6da58ce..ca10b4d 100644
--- a/.github/actions/determine-packages/action.yml
+++ b/.github/actions/determine-packages/action.yml
@@ -89,7 +89,7 @@ runs:
     - name: Checkout Code (Push Only)
       # Only checkout if push event, as paths-filter needs the code
       if: inputs.event_name == 'push'
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0 # Needed for paths-filter comparison
 
diff --git a/.github/workflows/reusable-bun-job.yml b/.github/workflows/reusable-bun-job.yml
index 52212fe..a2a8bab 100644
--- a/.github/workflows/reusable-bun-job.yml
+++ b/.github/workflows/reusable-bun-job.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ inputs.operating-system }}
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: ${{ inputs.with-submodules }}
 
diff --git a/.github/workflows/reusable-continuous-delivery.yml b/.github/workflows/reusable-continuous-delivery.yml
index 88c877d..01efc2e 100644
--- a/.github/workflows/reusable-continuous-delivery.yml
+++ b/.github/workflows/reusable-continuous-delivery.yml
@@ -74,7 +74,7 @@ jobs:
       TAG: ${{ github.event_name == 'push' && 'next' || format('pr-{0}', inputs['pr-number']) }}
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           repository: ${{ inputs.repository }}
diff --git a/.github/workflows/reusable-labelsync.yml b/.github/workflows/reusable-labelsync.yml
index 4f955c8..34ee650 100644
--- a/.github/workflows/reusable-labelsync.yml
+++ b/.github/workflows/reusable-labelsync.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ inputs.operating-system }}
     steps:
       - name: Checkout Core labels
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: core-labels
           sparse-checkout: .github/labels.yml
@@ -39,7 +39,7 @@ jobs:
 
       - name: Checkout Overwrite Labels
         if: inputs.merge-labels == true
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: overwrite-labels
           sparse-checkout: .github/labels.yml
diff --git a/.github/workflows/reusable-publish.yml b/.github/workflows/reusable-publish.yml
index 91e9290..66f1266 100644
--- a/.github/workflows/reusable-publish.yml
+++ b/.github/workflows/reusable-publish.yml
@@ -68,7 +68,7 @@ jobs:
     if: github.repository_owner == 'aether-development'
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: main