diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 33370008bc6..5b99a9cfbd4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -858,7 +858,7 @@ in modules // {
     windowsSupport = true;
 
     propagatedBuildInputs = with self; [
-      paramiko jinja2 pyyaml httplib2 boto six readline
+      pycrypto paramiko jinja2 pyyaml httplib2 boto six readline
     ] ++ optional windowsSupport pywinrm;
 
     meta = with stdenv.lib; {