diff --git a/pkgs/development/python-modules/smmap/default.nix b/pkgs/development/python-modules/smmap/default.nix
index 469c892a903..04b86ad5f6f 100644
--- a/pkgs/development/python-modules/smmap/default.nix
+++ b/pkgs/development/python-modules/smmap/default.nix
@@ -2,10 +2,10 @@
 
 buildPythonPackage rec {
   pname = "smmap";
-  version = "3.0.1";
+  version = "3.0.4";
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0ijlnv60y8f41py1wnn5n1a1i81cxd9dfpdhr0k3cgkrcbz8850p";
+    sha256 = "9c98bbd1f9786d22f14b3d4126894d56befb835ec90cef151af566c7e19b5d24";
   };
 
   checkInputs = [ nosexcover ];