diff --git a/.travis.yml b/.travis.yml
index 85d815f04..852452d8b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,10 @@ install:
   - git clone https://github.com/harmony-one/mcl.git
   - cd mcl
   - make test
+  - cd ..
+  - git clone https://github.com/harmony-one/bls.git
+  - cd bls
+  - make test
   - cd ../harmony
   - go get -t -v ./...
   - go get -u golang.org/x/lint/golint