diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index f64f6bf99..882d1d4c4 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -35,7 +35,8 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
-      - run: cargo doc --all-features
+      # TODO(tarcieri): remove `--exclude crypto` after new release series
+      - run: cargo doc --workspace --all-features --no-deps --exclude crypto
 
   rustfmt:
     runs-on: ubuntu-latest