diff --git a/pkgs/development/python-modules/streamz/default.nix b/pkgs/development/python-modules/streamz/default.nix
index 0bdb109ce901..420ee7b24722 100644
--- a/pkgs/development/python-modules/streamz/default.nix
+++ b/pkgs/development/python-modules/streamz/default.nix
@@ -14,11 +14,11 @@
 
 buildPythonPackage rec {
   pname = "streamz";
-  version = "0.5.4";
+  version = "0.5.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1vzmwnj12ij0cqhggys2dqv3b0v935yfzhcjwl5jw206vlla22bw";
+    sha256 = "787ade4796c5b2e79af2aac678841ba3748a65a3adce150697dcdd31c4f80365";
   };
 
   propagatedBuildInputs = [