diff --git a/.travis.yml b/.travis.yml
index 5070f02..49f1859 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4snapshot
 
 cache:
   directories:
diff --git a/composer.json b/composer.json
index 8c4f410..f24a5a6 100644
--- a/composer.json
+++ b/composer.json
@@ -33,7 +33,7 @@
         "netresearch/composer-installers": "*"
     },
     "require": {
-        "php": ">=7.0.0 <7.4",
+        "php": ">=7.0.0 <=7.4",
         "composer-plugin-api": "^1.0.0"
     },
     "conflict": {