diff --git a/pkgs/development/python-modules/betamax-serializers/default.nix b/pkgs/development/python-modules/betamax-serializers/default.nix
index 2ad23f1f9e6..41341c24481 100644
--- a/pkgs/development/python-modules/betamax-serializers/default.nix
+++ b/pkgs/development/python-modules/betamax-serializers/default.nix
@@ -3,11 +3,11 @@
 
 buildPythonPackage rec {
   pname = "betamax-serializers";
-  version = "0.2.0";
+  version = "0.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1yqzwx204m4lxlpg04cwv6iwzmcpdzr19wvj97vvxchp0g4qg83d";
+    sha256 = "0ja9isbjmzzhxdj69s0kdsvw8nkp073w6an6a4liy5vk3fdl2p1l";
   };
 
   buildInputs = [ betamax pyyaml ];