diff --git a/pkgs/development/python-modules/smmap/default.nix b/pkgs/development/python-modules/smmap/default.nix
index 366897d3e198..469c892a9034 100644
--- a/pkgs/development/python-modules/smmap/default.nix
+++ b/pkgs/development/python-modules/smmap/default.nix
@@ -2,17 +2,17 @@
 
 buildPythonPackage rec {
   pname = "smmap";
-  version = "0.9.0";
+  version = "3.0.1";
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0qlx25f6n2n9ff37w9gg62f217fzj16xlbh0pkz0lpxxjys64aqf";
+    sha256 = "0ijlnv60y8f41py1wnn5n1a1i81cxd9dfpdhr0k3cgkrcbz8850p";
   };
 
   checkInputs = [ nosexcover ];
 
   meta = {
     description = "A pure python implementation of a sliding window memory map manager";
-    homepage = https://github.com/gitpython-developers/smmap;
+    homepage = "https://github.com/gitpython-developers/smmap";
     maintainers = [ ];
     license = lib.licenses.bsd3;
   };