diff --git a/pkgs/development/python-modules/pyrsistent/default.nix b/pkgs/development/python-modules/pyrsistent/default.nix
index c8310c39441..b4edb02258a 100644
--- a/pkgs/development/python-modules/pyrsistent/default.nix
+++ b/pkgs/development/python-modules/pyrsistent/default.nix
@@ -9,11 +9,11 @@
 
 buildPythonPackage rec {
   pname = "pyrsistent";
-  version = "0.15.4";
+  version = "0.15.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0cv5xvhfhlj88pb0ghdwivkfcmgi6503qjwxx4r6n06nd6hpzd1l";
+    sha256 = "eb6545dbeb1aa69ab1fb4809bfbf5a8705e44d92ef8fc7c2361682a47c46c778";
   };
 
   propagatedBuildInputs = [ six ];