diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index 11c8b26b3a..2609b062e6 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -20,9 +20,10 @@ jobs:
         with:
           path: |
             target
+            !target/doc_upload
             ~/.cargo/git
             ~/.cargo/registry
-          key: ${{ runner.os }}-cargo-master-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-doc-bench-${{ hashFiles('**/Cargo.lock') }}
       - name: Generate documentation
         uses: actions-rs/cargo@v1
         with: