diff --git a/.travis.yml b/.travis.yml
index f615cb5..d91b05a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ python:
     - 3.5
     - 3.6
     - pypy
-    - pypy3.3-5.2-alpha1
+    - pypy3.5
 install:
     - pip install -U setuptools
     - pip install zc.buildout
diff --git a/CHANGES.rst b/CHANGES.rst
index 3a8835c..6ae72c5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,7 +4,7 @@ Changelog
 4.4 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Update PyPy version. for Travis.
 
 
 4.3 (2017-09-08)