diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 159f5fe..af502f8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
           fetch-depth: 0 # Ensures we get commit history for diffing
 
       - name: 🔄 Cache repository
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: . # Cache the entire repo
           key: repo-${{ github.sha }}
@@ -32,7 +32,7 @@ jobs:
       changed_files: ${{ steps.changed-python-files.outputs.all_changed_files }}
     steps:
       - name: 🔄 Restore repository from cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .
           key: repo-${{ github.sha }}
@@ -54,7 +54,7 @@ jobs:
       pull-requests: write
     steps:
       - name: 🔄 Restore repository from cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .
           key: repo-${{ github.sha }}
@@ -74,7 +74,7 @@ jobs:
       pull-requests: write
     steps:
       - name: 🔄 Restore repository from cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .
           key: repo-${{ github.sha }}
@@ -95,7 +95,7 @@ jobs:
   #     pull-requests: write
   #   steps:
   #     - name: 🔄 Restore repository from cache
-  #       uses: actions/cache@v4
+  #       uses: actions/cache@v5
   #       with:
   #         path: .
   #         key: repo-${{ github.sha }}
@@ -126,7 +126,7 @@ jobs:
     if: ${{ needs.changed-files.outputs.changed_files != '' }}
     steps:
       - name: 🔄 Restore repository from cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .
           key: repo-${{ github.sha }}
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index e95a9e0..73f094d 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -32,7 +32,7 @@ jobs:
           python-version-file: 'pyproject.toml'
 
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache