diff --git a/README.md b/README.md
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@@ -1,4 +1,4 @@
-Luau ![CI](https://github.com/Roblox/luau/workflows/build/badge.svg)
+Luau ![CI](https://github.com/Roblox/luau/workflows/build/badge.svg) [![Coverage](https://coveralls.io/repos/github/Roblox/luau/badge.svg?branch=master&t=2PXMow)](https://coveralls.io/github/Roblox/luau?branch=master)
 ====
 
 Luau (lowercase u, /ˈlu.aʊ/) is a fast, small, safe, gradually typed embeddable scripting language derived from [Lua](https://lua.org).