diff --git a/ChangeLog b/ChangeLog
index ab349794..d6e746e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1.8.21
+  * detect recursive redirections; the maximum of five redirections is
+    still there though
+  * after every HTTP redirection, check the URL cache again
+    Closes: SF bug 776851
+
 1.8.20
   * fix setting of domain in set_intern_url
     Changed: linkcheck/UrlData.py