diff --git a/composer.json b/composer.json
index 0a24003858ea19214241daf423165e1f9bf6443a..ff7527994e06e06202718a47f826a05e00f715f8 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
         "shim"
     ],
     "homepage": "https://github.com/sebastianbergmann/phpcpd",
-    "version": "3.0.1",
+    "version": "4.0.0",
     "license": [
         "BSD-3-Clause"
     ],
@@ -20,7 +20,7 @@
         "phpcpd"
     ],
     "require": {
-        "php": "^5.6|^7.0"
+        "php": "^7.1"
     },
     "replace": {
         "sebastian/phpcpd": "self.version"
diff --git a/phpcpd b/phpcpd
index bfe1e5a53638a532504fc1b0b2f185560f570813..833f43ae95a5194e935217c32416180a6d250721 100755
Binary files a/phpcpd and b/phpcpd differ
diff --git a/phpcpd.asc b/phpcpd.asc
index 9683aa5cc0123522a25644be1c3bbd313de8b754..12d4704273ca714822d8c10285e7f40b89d03fbf 100644
Binary files a/phpcpd.asc and b/phpcpd.asc differ