diff --git a/lib/erl/src/thrift.app.src b/lib/erl/src/thrift.app.src
index 0e25b67..8431213 100644
--- a/lib/erl/src/thrift.app.src
+++ b/lib/erl/src/thrift.app.src
@@ -22,7 +22,7 @@
     {description, "Thrift bindings"},
 
   % The version of the applicaton
-  {vsn, "0.20.0"},
+  {vsn, "0.21.0"},
 
     % All modules used by the application.
     {modules, []},