diff --git a/.travis.yml b/.travis.yml
index 3dc3a73c333b35..3acc2827975d63 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,8 @@ matrix:
         - NODE=$(which node)
       script:
         - make lint
+        # Lint the first commit in the PR.
+        - git log HEAD ^$TRAVIS_BRANCH --pretty=format:'%h' --no-merges | tail -1 | xargs npx core-validate-commit --no-validate-metadata
     - name: "Test Suite"
       install:
         - ./configure