diff --git a/README.md b/README.md
index 1faea2ee..ccea6515 100644
--- a/README.md
+++ b/README.md
@@ -1063,6 +1063,7 @@ There are [other sites with curated lists of elixir packages](#other-awesome-lis
 * [rebind](https://github.com/camshaft/rebind) - rebind parse transform for Erlang.
 * [rulex](https://github.com/awetzel/rulex) - Simple rule handler using Elixir pattern matching.
 * [shorter_maps](https://github.com/meyercm/shorter_maps) - ~M sigil for map shorthand. `~M{id name} ~> %{id: id, name: name}`.
+* [then](https://github.com/bardoor/then) - Simple way to set after-function callback.
 * [typed_struct](https://github.com/ejpcmac/typed_struct) - An Elixir library for defining structs with a type without writing boilerplate code.
 * [typed_structor](https://github.com/elixir-typed-structor/typed_structor) - A library for defining structs with types effortlessly.
 * [unsafe](https://github.com/whitfin/unsafe) - Generate easy unsafe (!) bindings for Elixir functions.