diff --git a/yesod-core/ChangeLog.md b/yesod-core/ChangeLog.md
index 45793963..0a5ed49e 100644
--- a/yesod-core/ChangeLog.md
+++ b/yesod-core/ChangeLog.md
@@ -1,5 +1,9 @@
 # ChangeLog for yesod-core
 
+## 1.6.20.1
+
+* Throw an error in `breadcrumbs` if the trail of breadcrumbs is circular. [#1727](https://github.com/yesodweb/yesod/issues/1727)
+
 ## 1.6.20
 
 * Generate CSRF tokens using a secure entropy source [#1726](https://github.com/yesodweb/yesod/pull/1726)
diff --git a/yesod-core/yesod-core.cabal b/yesod-core/yesod-core.cabal
index 1c258f15..b22ade9d 100644
--- a/yesod-core/yesod-core.cabal
+++ b/yesod-core/yesod-core.cabal
@@ -1,5 +1,5 @@
 name:            yesod-core
-version:         1.6.20
+version:         1.6.20.1
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>