diff --git a/README.md b/README.md
index 7d958ae3..95779ca1 100644
--- a/README.md
+++ b/README.md
@@ -503,6 +503,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [agora](https://github.com/PuerkitoBio/agora) - Dynamically typed, embeddable programming language in Go.
 * [anko](https://github.com/mattn/anko) - Scriptable interpreter written in Go.
 * [binder](https://github.com/alexeyco/binder) - Go to Lua binding library, based on [gopher-lua](https://github.com/yuin/gopher-lua).
+* [expr](https://github.com/antonmedv/expr) - an engine that can evaluate expressions.
 * [gisp](https://github.com/jcla1/gisp) - Simple LISP in Go.
 * [go-duktape](https://github.com/olebedev/go-duktape) - Duktape JavaScript engine bindings for Go.
 * [go-lua](https://github.com/Shopify/go-lua) - Port of the Lua 5.2 VM to pure Go.