diff --git a/.travis.yml b/.travis.yml
index 5fd2b06..cbbed6b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,10 @@ python:
   - 2.7
   - 3.3
   - 3.4
+  # pypy versions
+  - "pypy"
+  - "pypy3"
+  - "pypy-5.3.1"
 env:
   - CASSANDRA_DRIVER_VERSION=2.6.0
   - CASSANDRA_DRIVER_VERSION=2.7.2
@@ -19,6 +23,10 @@ env:
   - CASSANDRA_DRIVER_VERSION=3.5.0
   - CASSANDRA_DRIVER_VERSION=3.6.0
   - CASSANDRA_DRIVER_VERSION=3.7.1
+matrix:
+  exclude:
+  - python: "pypy3"
+    env: CASSANDRA_DRIVER_VERSION=2.6.0
 install:
   - pip install -q cassandra-driver==$CASSANDRA_DRIVER_VERSION
   - pip install -q flask