diff --git a/.smalltalk.ston b/.smalltalk.ston
index c1f350e4..9a85a70c 100644
--- a/.smalltalk.ston
+++ b/.smalltalk.ston
@@ -13,5 +13,10 @@ SmalltalkCISpec {
       #load : [ 'Tests' ],
       #platforms : [ #gemstone ]
     }
-  ]
+  ],
+  #testing : {
+    #coverage : {
+      #packages : [ 'Grease-*' ]
+    }
+  }
 }
diff --git a/README.md b/README.md
index d2e72554..5597d7d7 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 **IMPORTANT**: Since version 1.3.0, this is the main repository of Grease. Versions older than 1.1.9 can be found in the [Smalltalkhub repository](http://www.smalltalkhub.com/#!/~Seaside/Grease11). Check out the [releases list](https://github.com/SeasideSt/Grease/releases) for all version numbers in this repository.
 
-The Grease Portability Library  [![Build Status](https://travis-ci.org/SeasideSt/Grease.svg?branch=master)](https://travis-ci.org/SeasideSt/Grease)
+The Grease Portability Library  [![Build Status](https://travis-ci.org/SeasideSt/Grease.svg?branch=master)](https://travis-ci.org/SeasideSt/Grease)[![Coverage Status](https://coveralls.io/repos/github/SeasideSt/Grease/badge.svg?branch=test-coveralls)](https://coveralls.io/github/SeasideSt/Grease?branch=test-coveralls)
 ======
 Grease enhances the ANSI Smalltalk standard. With only a few exceptions, we assume platforms are fully ANSI-compliant. Platforms want to support Seaside and standardization makes this easier for the project’s developers and its porters.