diff --git a/pkgs/development/python-modules/fasteners/default.nix b/pkgs/development/python-modules/fasteners/default.nix
index 730fa02b7204..f61cb7275e61 100644
--- a/pkgs/development/python-modules/fasteners/default.nix
+++ b/pkgs/development/python-modules/fasteners/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage rec {
   pname = "fasteners";
-  version = "0.19";
+  version = "0.20";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
     owner = "harlowja";
     repo = "fasteners";
     tag = version;
-    hash = "sha256-XFa1ItFqkSYE940p/imWFp5e9gS6n+D1uM6Cj+Vzmmg=";
+    hash = "sha256-h8hlx3yl1+EgqCGE02O+wLejwxgJ5ZOs6nPrYUtHwn0=";
   };
 
   nativeBuildInputs = [ setuptools ];