diff --git a/pkgs/development/python-modules/pyvex/default.nix b/pkgs/development/python-modules/pyvex/default.nix
index c4eee2a482d..fa757a39dda 100644
--- a/pkgs/development/python-modules/pyvex/default.nix
+++ b/pkgs/development/python-modules/pyvex/default.nix
@@ -11,11 +11,11 @@
 
 buildPythonPackage rec {
   pname = "pyvex";
-  version = "9.0.7491";
+  version = "9.0.7833";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-tKfOkW1mLa4gCweF5bGVwnS7E+dRdc/PiuOfT7AgKNo=";
+    sha256 = "sha256-vasPukhDpvTNEvSy3A2H4ZkFMpLSoHB6+uuimYH1VT4=";
   };
 
   postPatch = lib.optionalString stdenv.isDarwin ''