diff --git a/.travis.yml b/.travis.yml
index 937ea7c7..85a89751 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,4 +6,8 @@ php:
   - 7.3
   - 7.4
   - 8.0
+  - 8.1
+  - 8.2
+  - 8.3
+  - 8.4
 script: git diff --name-only $TRAVIS_COMMIT_RANGE | grep '\.php$' | xargs -n1 -P8 php -l | grep -v 'No syntax errors'; test $? -eq 1