diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b8a7f7d79..130e1febf 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Build
       run: cargo build --verbose
     - name: Run tests
-      run: cargo test --verbose
+      run: cargo test --verbose -- --test-threads=1
     - name: Install cargo-llvm-cov
       run: cargo install cargo-llvm-cov
     - name: Generate code coverage