diff --git a/pkgs/development/interpreters/pypy/2.3/default.nix b/pkgs/development/interpreters/pypy/2.3/default.nix
index 73a52e6dfc7..0b3ca739092 100644
--- a/pkgs/development/interpreters/pypy/2.3/default.nix
+++ b/pkgs/development/interpreters/pypy/2.3/default.nix
@@ -85,7 +85,7 @@ let
        ln -s $out/pypy-c/lib-python/${pythonVersion} $out/lib/${libPrefix}
 
        # verify cffi modules
-       $out/bin/pypy -c "import Tkinter;import sqlite3"
+       $out/bin/pypy -c "import Tkinter;import sqlite3;import curses"
 
        # make sure pypy finds sqlite3 library
        wrapProgram "$out/bin/pypy" \
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6a988e4340b..2ee854bdc9c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1521,11 +1521,11 @@ rec {
   };
 
   cffi = buildPythonPackage rec {
-    name = "cffi-0.7.2";
+    name = "cffi-0.8.6";
 
     src = fetchurl {
       url = "http://pypi.python.org/packages/source/c/cffi/${name}.tar.gz";
-      md5 = "d329f5cb2053fd31dafc02e2c9ef0299";
+      md5 = "474b5a68299a6f05009171de1dc91be6";
     };
 
     propagatedBuildInputs = [ pkgs.libffi pycparser ];