diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index bb3a33b..7c46df5 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -41,7 +41,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry
@@ -80,7 +80,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache cargo
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: |
             ~/.cargo/registry