diff --git a/.travis.yml b/.travis.yml
index 87e4979..70b4c5d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,6 +10,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 env:
   - # dev
diff --git a/composer.json b/composer.json
index d23ac22..bd7ec48 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
 		"php": "^7.1"
 	},
 	"require-dev": {
-		"nette/tester": "~1.7",
+		"nette/tester": "~2.3.1",
 		"kdyby/coding-standard": "^1.0@dev",
 		"phpstan/phpstan-shim": "^0.11",
 		"jakub-onderka/php-parallel-lint": "^1.0"