diff --git a/pkgs/development/python-modules/flametree/default.nix b/pkgs/development/python-modules/flametree/default.nix
index 0dfd2447b7aa..8070c91bc66e 100644
--- a/pkgs/development/python-modules/flametree/default.nix
+++ b/pkgs/development/python-modules/flametree/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "flametree";
-  version = "0.2.0";
+  version = "0.2.1";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "Edinburgh-Genome-Foundry";
     repo = "Flametree";
     tag = "v${version}";
-    hash = "sha256-4yU4u5OmVP3adz9DNsU0BtuQ7LZYqbOLxbuS48lksHM=";
+    hash = "sha256-5vtDfGmSX5niMXLnMqmafhq6D1gxhxVS3xbOAvQs3Po=";
   };
 
   nativeCheckInputs = [