diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 596b8ab7050a..be906ef02994 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4313,11 +4313,11 @@ in modules // {
   };
 
   cffi = if isPyPy then null else buildPythonPackage rec {
-    name = "cffi-1.5.2";
+    name = "cffi-1.7.0";
 
     src = pkgs.fetchurl {
       url = "mirror://pypi/c/cffi/${name}.tar.gz";
-      sha256 = "1p91p1n8n46y0k3q7ddgxxjnfh08rjqsjh7zbjxzfiifhycxx6ys";
+      sha256 = "1pv0pf38h375r581zyckb1d2phcgkszsx2n6354g6qc3zmmdvmbf";
     };
 
     propagatedBuildInputs = with self; [ pkgs.libffi pycparser ];