diff --git a/.travis.yml b/.travis.yml
index 5ce184d6..089c6a99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,8 @@ python:
   - "3.4"
   - "3.5"
   - "3.6-dev" # 3.6 development branch
-  - "pypy"
-  - "pypy3"
+  # - "pypy"  -- appears to hang
+  # - "pypy3"
 # command to install dependencies
 install: "pip install -r requirements.txt"
 # command to run tests