diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bd9dbc674fa2..e19fc8d4ae2d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -25981,11 +25981,14 @@ in modules // {
   };
 
   parsimonious = buildPythonPackage rec {
-    name = "parsimonious-0.6.0";
+    version = "0.6.2";
+    name = "parsimonious-${version}";
     disabled = ! isPy27;
-    src = pkgs.fetchurl {
-      url = "https://github.com/erikrose/parsimonious/archive/0.6.tar.gz";
-      sha256 = "7ad992448b69a3f3d943bac0be132bced3f13937c8ca150ba2fd1d7b6534f846";
+    src = pkgs.fetchFromGitHub {
+      repo = "parsimonious";
+      owner = "erikrose";
+      rev = version;
+      sha256 = "1wf12adzhqjibbhy2m9abfqdgbb6z97s7wydhasir70307rqf9rj";
     };
 
     propagatedBuildInputs = with self; [ nose ];