diff --git a/pkgs/development/python-modules/transitions/default.nix b/pkgs/development/python-modules/transitions/default.nix
index a8e84acc2df..a372e492f9f 100644
--- a/pkgs/development/python-modules/transitions/default.nix
+++ b/pkgs/development/python-modules/transitions/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "transitions";
-  version = "0.8.2";
+  version = "0.8.4";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0j3pswbckrhd6plblb0bwzsbvk50nqmxq6dvjclvcr5cljzs7xvg";
+    sha256 = "9a2841b24789dfd345267cb92e26b79da75fd03f6021d1a5222c71b5c9ae3c16";
   };
 
   postPatch = ''