diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7967d2..964797c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 # MD4C Change Log
 
 
-## Next Version (Work in Progress)
+## Version 0.4.6
 
 Fixes:
 
@@ -11,6 +11,9 @@ Fixes:
   zero byte in the input text; in some cases leading to broken internal state
   of the parser.
 
+  The bug could result in denial of service and possibly also to other security
+  implications. Applications are advised to update to 0.4.6.
+
 
 ## Version 0.4.5