Require phpunit <6.0.0

DeepDiver1975 · staabm · commit b5dbb56170fd · 2018-10-19T11:57:45.000+02:00
diff --git a/composer.json b/composer.json
@@ -31,7 +31,7 @@
         "lib-libxml" : ">=2.7.0"
     },
     "require-dev" : {
-        "phpunit/phpunit" : "> 4.8, <=6.0.0",
+        "phpunit/phpunit" : "> 4.8, <6.0.0",
         "evert/phpdoc-md" : "~0.1.0"
     },
     "suggest" : {
