1 files changed, 1 insertions, 1 deletions
diff --git a/composer.json b/composer.json
index 94ff06f..3d9a189 100644
--- a/composer.json
+++ b/composer.json
@@ -42,7 +42,7 @@
     "name": "zetacomponents/base",
     "type": "library",
     "require-dev": {
-        "phpunit/phpunit": "~5.7",
+        "phpunit/phpunit": "~8.0",
         "zetacomponents/unit-test": "*"
     }
 }