diff --git a/.travis.yml b/.travis.yml
index 3fe405b..9a45672 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ php:
 
 env:
   - SYMFONY_VERSION=4.4.*
-  - SYMFONY_VERSION=5.0.*
+  - SYMFONY_VERSION=5.1.*
 
 matrix:
   include:
diff --git a/composer.json b/composer.json
index 9e802c0..7f28bda 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
     }
   ],
   "require": {
-    "symfony/http-kernel": "^4.4|^5.0"
+    "symfony/http-kernel": "^4.4.13||^5.1.5"
   },
   "autoload": {
     "psr-4": {