diff --git a/docs/root/intro/version_history.rst b/docs/root/intro/version_history.rst
index 2266a6d1341ab..62063ff13600c 100644
--- a/docs/root/intro/version_history.rst
+++ b/docs/root/intro/version_history.rst
@@ -25,6 +25,8 @@ Version history
 * tls: enabled TLS 1.3 on the server-side (non-FIPS builds).
 * router: added per-route configuration of :ref:`internal redirects <envoy_api_field_route.RouteAction.internal_redirect_action>`.
 * upstream: add hash_function to specify the hash function for :ref:`ring hash<envoy_api_msg_Cluster.RingHashLbConfig>` as either xxHash or `murmurHash2 <https://sites.google.com/site/murmurhash>`_. MurmurHash2 is compatible with std::hash in GNU libstdc++ 3.4.20 or above. This is typically the case when compiled on Linux and not macOS.
+* upstream: added :ref:`degraded health value<arch_overview_load_balancing_degraded>` which allows
+  routing to certain hosts only when there are insufficient healthy hosts available.
 
 1.9.0
 ===============