diff --git a/.travis.yml b/.travis.yml
index 712df0b2f120d1909989273b2a3c2a90e46c2551..02296890bb5da7b924da59c03218e1fc5c4c18d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ before_script:
   - ./cc-test-reporter before-build
 install:
   - pip install -r requirements.txt
-  - pip install coverage
+  - pip install coverage nose2
 script:
   - bash tests/test_posix/test_hang_until_sig.sh
   - coverage run -m nose2 -vv