diff --git a/package.json b/package.json
index 8c710e67fc7d..767716f9f0db 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "changez-angular": "^2.1.2",
     "cheerio": "^0.17.0",
     "commitizen": "^2.3.0",
+    "commitplease": "^2.7.10",
     "cross-spawn": "^4.0.0",
     "cz-conventional-changelog": "1.1.4",
     "dgeni": "^0.4.0",
@@ -95,9 +96,13 @@
     "stringmap": "^0.2.2"
   },
   "dependencies": {},
+  "commitplease": {
+    "style": "angular",
+    "nohook": true
+  },
   "config": {
     "commitizen": {
       "path": "node_modules/cz-conventional-changelog"
     }
   }
-}
+}
\ No newline at end of file
diff --git a/scripts/travis/build.sh b/scripts/travis/build.sh
index 0ecfc25daf5f..bf9be1724550 100755
--- a/scripts/travis/build.sh
+++ b/scripts/travis/build.sh
@@ -7,6 +7,13 @@ export SAUCE_ACCESS_KEY=`echo $SAUCE_ACCESS_KEY | rev`
 
 if [ "$JOB" == "ci-checks" ]; then
   grunt ci-checks
+  if [[ $TRAVIS_PULL_REQUEST != 'false' ]]; then
+    # validate commit messages of all commits in the PR
+    # convert commit range to 2 dots, as commitplease uses `git log`.
+    # See https://github.com/travis-ci/travis-ci/issues/4596 for more info
+    echo "Validate commit messages in PR."
+    yarn run commitplease -- "${TRAVIS_COMMIT_RANGE/.../..}"
+  fi
 elif [ "$JOB" == "unit" ]; then
   if [ "$BROWSER_PROVIDER" == "browserstack" ]; then
     BROWSERS="BS_Chrome,BS_Safari,BS_Firefox,BS_IE_9,BS_IE_10,BS_IE_11,BS_EDGE,BS_iOS_8,BS_iOS_9"
diff --git a/yarn.lock b/yarn.lock
index 46d99a35381b..54e17f12a7db 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1166,6 +1166,16 @@ commitizen@^2.3.0:
     shelljs "0.7.5"
     strip-json-comments "2.0.1"
 
+commitplease@^2.7.10:
+  version "2.7.10"
+  resolved "https://registry.yarnpkg.com/commitplease/-/commitplease-2.7.10.tgz#129af5abb365b46f25e652020c5d1548c947f163"
+  dependencies:
+    chalk "^1.1.1"
+    git-tools "^0.2.1"
+    ini "^1.3.4"
+    object-assign "^4.1.0"
+    semver "^5.1.0"
+
 commondir@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-0.0.1.tgz#89f00fdcd51b519c578733fec563e6a6da7f5be2"
@@ -2475,6 +2485,12 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
+git-tools@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/git-tools/-/git-tools-0.2.1.tgz#6e1846af2c0e91ab59258b48f9b53c1279b3b273"
+  dependencies:
+    spawnback "~1.0.0"
+
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -5912,6 +5928,10 @@ spawn-sync@^1.0.15:
     concat-stream "^1.4.7"
     os-shim "^0.1.2"
 
+spawnback@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/spawnback/-/spawnback-1.0.0.tgz#f73662f7e54d95367eca74d6426c677dd7ea686f"
+
 spdx-correct@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"