diff --git a/plugins/negate.c b/plugins/negate.c
index ee497cdc..e8f7c010 100644
--- a/plugins/negate.c
+++ b/plugins/negate.c
@@ -3,7 +3,7 @@
  * Monitoring negate plugin
  *
  * License: GPL
- * Copyright (c) 2002-2008 Monitoring Plugins Development Team
+ * Copyright (c) 2002-2024 Monitoring Plugins Development Team
  *
  * Description:
  *
@@ -30,7 +30,7 @@
  *****************************************************************************/
 
 const char *progname = "negate";
-const char *copyright = "2002-2008";
+const char *copyright = "2002-2024";
 const char *email = "devel@monitoring-plugins.org";
 
 #define DEFAULT_TIMEOUT 11