diff --git a/.travis.yml b/.travis.yml
index c9d30aa..a756733 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
 
 addons:
   apt:
diff --git a/composer.json b/composer.json
index f40a9e6..4907ac5 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
         }
     },
     "require": {
-        "php": ">=7.0 <7.3",
+        "php": ">=7.0 <7.4",
         "composer-plugin-api": "^1.0",
         "symfony/dotenv": "^3.3.0 || ^4.0"
     },