diff --git a/docs/config.yaml b/docs/config.yaml
index 51a4610dc6..4e8362e7e2 100644
--- a/docs/config.yaml
+++ b/docs/config.yaml
@@ -18,7 +18,7 @@ params:
   description: Git with a cup of tea
   author: The Gitea Authors
   website: https://docs.gitea.io
-  version: 1.15.5
+  version: 1.15.6
   minGoVersion: 1.16
   goVersion: 1.17
   minNodeVersion: 12.17