diff --git a/pkgs/development/python-modules/plum-py/default.nix b/pkgs/development/python-modules/plum-py/default.nix
index d6020cabc99f..180449ef883e 100644
--- a/pkgs/development/python-modules/plum-py/default.nix
+++ b/pkgs/development/python-modules/plum-py/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "plum-py";
-  version = "0.8.5";
+  version = "0.8.6";
   disabled = !isPy3k;
 
   src = fetchFromGitLab {
     owner = "dangass";
     repo = "plum";
     rev = version;
-    hash = "sha256-jCZUNT1HpSr0khHsjnxEzN2LCzcDV6W27PjVkwFJHUg=";
+    hash = "sha256-gZSRqijKdjqOZe1+4aeycpCPsh6HC5sRbyVjgK+g4wM=";
   };
 
   postPatch = ''