1 files changed, 2 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 5c5f42a..5f5dfab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,3 +8,5 @@ matrix:
   allow_failures:
     - rust: beta
     - rust: nightly
+env:
+  - RUST_TEST_THREADS=1