diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 63237a61..cfe799ee 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -48,7 +48,7 @@ jobs:
       - name: i686-windows(msvc) Build
         run: cargo check --verbose --target i686-pc-windows-msvc
       - name: Run tests
-        # env:
-        #   RUST_TESTS_THREADS: 1
+        env:
+          RUST_TESTS_THREADS: 1
         run: cargo test --verbose