diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c40b9552a00c..72139546fffa 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5602,14 +5602,14 @@ rec {
 
 
   psycopg2 = buildPythonPackage rec {
-    name = "psycopg2-2.5.2";
+    name = "psycopg2-2.5.3";
 
     # error: invalid command 'test'
     doCheck = false;
 
     src = fetchurl {
       url = "https://pypi.python.org/packages/source/p/psycopg2/${name}.tar.gz";
-      sha256 = "0bmxlmi9k995n6pz16awjaap0y02y1v2d31jbxhkqv510f3jsf2h";
+      sha256 = "02h33barxigsczpympnwa0yvw9hgdv8d63bxm5x251ri26xz6b9s";
     };
 
     propagatedBuildInputs = [ pkgs.postgresql ];