diff --git a/.travis.yml b/.travis.yml
index ce7e0e51..1894c22e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ python:
   - "3.6"
 # - "3.7" is handled in 'Test' job using xenial as Python 3.7 is not available for trusty.
 # - "3.8" is handled in 'Test' job using xenial as Python 3.8 is not available for trusty.
-  - "pypy"
+  - "pypy2.7-v7.3.3"
   - "pypy3"
 install: "pip install -r requirements/core.txt;pip install -r requirements/test.txt"
 script: "pytest --cov=optimizely"