diff --git a/composer.json b/composer.json
index 631c216..eecc608 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,7 @@
         }
     ],
     "require":           {
-        "php":                  "^5.5|^7.0",
+        "php":                  "^5.5 || ^7.0",
         "psr/cache":            "^1.0",
         "cache/adapter-common": "^0.3",
         "cache/taggable-cache": "^0.4"
@@ -32,7 +32,7 @@
         "ext-apc": "The extension required to use this pool."
     },
     "require-dev":       {
-        "phpunit/phpunit":         "^4.0|^5.1",
+        "phpunit/phpunit":         "^4.0 || ^5.1",
         "cache/integration-tests": "^0.10"
     },
     "provide":           {