diff --git a/extension/php_meminfo.h b/extension/php_meminfo.h
index 5b3e399..9aaf843 100644
--- a/extension/php_meminfo.h
+++ b/extension/php_meminfo.h
@@ -5,7 +5,7 @@ extern zend_module_entry meminfo_module_entry;
 #define phpext_meminfo_ptr &meminfo_module_entry
 
 #define MEMINFO_NAME "PHP Meminfo"
-#define MEMINFO_VERSION "2.0.0-beta1"
+#define MEMINFO_VERSION "2.0.0"
 #define MEMINFO_AUTHOR "Benoit Jacquemont"
 #define MEMINFO_COPYRIGHT  "Copyright (c) 2010-2021 by Benoit Jacquemont & contributors"
 #define MEMINFO_COPYRIGHT_SHORT "Copyright (c) 2010-2021"
diff --git a/extension/tests/version.phpt b/extension/tests/version.phpt
new file mode 100644
index 0000000..52542a8
--- /dev/null
+++ b/extension/tests/version.phpt
@@ -0,0 +1,8 @@
+--TEST--
+Check stable PHP 8-compatible version
+--FILE--
+<?php
+echo 'PHP Meminfo version: ', phpversion('meminfo'), "\n";
+?>
+--EXPECT--
+PHP Meminfo version: 2.0.0