diff --git a/doc/80-Upgrading.md b/doc/80-Upgrading.md
index 2a7dc7e68..5a3a38754 100644
--- a/doc/80-Upgrading.md
+++ b/doc/80-Upgrading.md
@@ -6,6 +6,13 @@ Icinga Web 2 database.
 Specific version upgrades are described below. Please note that version updates are incremental. An upgrade from
 v2.3 to v2.5 requires to follow the instructions for v2.4 too.
 
+## Upgrading to Icinga Web 2 2.7.x <a id="upgrading-to-2.7.x"></a>
+
+**Breaking changes**
+
+* We've upgraded jQuery to version 3.4.1. If you're a module developer, check what's been deprecated since
+  v2.1 or earlier and has now been removed. (https://api.jquery.com/category/deprecated/)
+
 ## Upgrading to Icinga Web 2 2.6.x <a id="upgrading-to-2.6.x"></a>
 
 * Icinga Web 2 version 2.6.x does not introduce any backward incompatible change.