diff --git a/.travis.yml b/.travis.yml
index dba49d42..8ea2d8c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,8 @@ script:
 - cd ..;
 - travis-cargo build
 - travis-cargo test
-- travis-cargo test -- --features=deadlock_detection
+- travis-cargo --only stable test -- --features=deadlock_detection
+- travis-cargo --only beta test -- --features=deadlock_detection
 - travis-cargo --only nightly doc -- --all-features --no-deps -p parking_lot -p parking_lot_core -p lock_api
 - cd benchmark
 - travis-cargo build