diff --git a/.travis.yml b/.travis.yml
index 0873065b..49e3311b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,6 +18,8 @@ matrix:
           env: COMPOSER_FLAGS="--prefer-stable"
         - php: 7.3
           env: COMPOSER_FLAGS="--prefer-stable"
+        - php: 7.4
+          env: COMPOSER_FLAGS="--prefer-stable"
         - php: nightly
           env: COMPOSER_FLAGS="--dev --ignore-platform-reqs"
     allow_failures: