diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index daccba08c7..036aa5bc60 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -6,6 +6,7 @@ Release notes
 
    upgrading
    6.0
+   5.2.3
    5.2.2
    5.2.1
    5.2