diff --git a/README.md b/README.md
index a8d5a87..d102cbd 100644
--- a/README.md
+++ b/README.md
@@ -11,4 +11,5 @@ Each Pull Request will contain explanation and steps taken to complete a feature
 ## Testing
 
 - [Add project on Travis CI](https://github.com/brunolm/angular-how-to/pull/2)
-- [Add code coverage and coveralls integration](https://github.com/brunolm/angular-how-to/pull/3)
\ No newline at end of file
+- [Add code coverage and coveralls integration](https://github.com/brunolm/angular-how-to/pull/3)
+  - [Add code coverage thresholds](https://github.com/brunolm/angular-how-to/pull/4)
\ No newline at end of file
diff --git a/karma.conf.js b/karma.conf.js
index af139fa..508663f 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -17,7 +17,13 @@ module.exports = function (config) {
     },
     coverageIstanbulReporter: {
       reports: [ 'html', 'lcovonly' ],
-      fixWebpackSourcePaths: true
+      fixWebpackSourcePaths: true,
+      thresholds: {
+        statements: 90,
+        lines: 90,
+        branches: 90,
+        functions: 90
+      }
     },
     angularCli: {
       environment: 'dev'