diff --git a/pkgs/development/python-modules/funsor/default.nix b/pkgs/development/python-modules/funsor/default.nix
index a5250afff471..a08e2a6e4ebc 100644
--- a/pkgs/development/python-modules/funsor/default.nix
+++ b/pkgs/development/python-modules/funsor/default.nix
@@ -21,7 +21,7 @@
 
 buildPythonPackage rec {
   pname = "funsor";
-  version = "0.4.5";
+  version = "0.4.6";
 
   disabled = pythonOlder "3.7";
 
@@ -29,7 +29,7 @@ buildPythonPackage rec {
     owner = "pyro-ppl";
     repo = "funsor";
     rev = "refs/tags/${version}";
-    hash = "sha256-3JxnRlJN/kYstcIKt8cvDmqnp8oyoA4jkMBDVuAMa5Q=";
+    hash = "sha256-Prj1saT0yoPAP8rDE0ipBEpR3QMk4PS12VSJlxc22p8=";
   };
 
   # Disable the tests that rely on downloading assets from the internet as well as the linting checks.