diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 65e4d36f..77b2f5bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -152,7 +152,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
         with: {toolchain: '${{matrix.rust}}'}
       - name: Build and test all crates
-        run: cargo test --workspace -v --features hdf5-sys/static,hdf5-sys/zlib --exclude hdf5-derive
+        run: cargo test --workspace -vvv --features hdf5-sys/static,hdf5-sys/zlib --exclude hdf5-derive
       - name: Build and test with filters and other features
         run: cargo test --workspace -v --features hdf5-sys/static,hdf5-sys/zlib,lzf,blosc,f16,complex --exclude hdf5-derive
         if: matrix.rust != 'stable-gnu'