diff --git a/pkgs/development/python-modules/mahotas/default.nix b/pkgs/development/python-modules/mahotas/default.nix
index dc18f5ac405f..94bf0a0cb1ec 100644
--- a/pkgs/development/python-modules/mahotas/default.nix
+++ b/pkgs/development/python-modules/mahotas/default.nix
@@ -2,13 +2,13 @@
 
 buildPythonPackage rec {
   pname = "mahotas";
-  version = "1.4.7";
+  version = "1.4.9";
 
   src = fetchFromGitHub {
     owner = "luispedro";
     repo = "mahotas";
     rev = "v${version}";
-    sha256 = "1a3nzxb7is8n7lpxwq1fw3fr03qflig334rb1zzr2znjrhq6g94b";
+    sha256 = "151hri3lwcm9p7w1nyw99h8c70j51698cvzaiazvwb6gl4khwavv";
   };
 
   # remove this as soon as https://github.com/luispedro/mahotas/issues/97 is fixed