diff --git a/.travis.yml b/.travis.yml
index f6f3acab..fd2c05b7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: php
 php:
-  - '5.3'
   - '7.1'
 script: git diff --name-only $TRAVIS_COMMIT_RANGE | grep '\.php$' | xargs -n1 -P8 php -l | grep -v 'No syntax errors'; test $? -eq 1