diff --git a/pkgs/development/python-modules/rx/default.nix b/pkgs/development/python-modules/rx/default.nix
index 00808e744a29..5fd9064020a4 100644
--- a/pkgs/development/python-modules/rx/default.nix
+++ b/pkgs/development/python-modules/rx/default.nix
@@ -2,7 +2,7 @@
 
 buildPythonPackage rec {
   pname = "rx";
-  version = "3.1.0";
+  version = "3.1.1";
   disabled = pythonOlder "3.6";
 
   # There are no tests on the pypi source
@@ -10,7 +10,7 @@ buildPythonPackage rec {
     owner = "ReactiveX";
     repo = "rxpy";
     rev = "v${version}";
-    sha256 = "0rcwa8001il9p7s096b9gc5yld8cyxvrsmwh1gpc9b87j172z6ax";
+    sha256 = "0p0cs67l40npkvwgn5sb18l1b6df1b9fg6rzlqkwk2aa0v3cpvhf";
   };
 
   checkInputs = [ nose ];