diff --git a/pkgs/development/python-modules/Rtree/default.nix b/pkgs/development/python-modules/Rtree/default.nix
index 867c771350c..22f54d08e5c 100644
--- a/pkgs/development/python-modules/Rtree/default.nix
+++ b/pkgs/development/python-modules/Rtree/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "Rtree";
-  version = "0.9.3";
+  version = "0.9.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "55c046a98e8d84235792de1f18635f680d7b4085264fbced6b073f28fcbe353a";
+    sha256 = "0i1zlyz6vczy3cgg7fan5hq9zzjm7s7zdzfh83ma8g9vq3i2gqya";
   };
 
   propagatedBuildInputs = [ libspatialindex ];