[release] Update doc version
diff --git a/docs/config.toml b/docs/config.toml
index 85e01e6..c518767 100644
--- a/docs/config.toml
+++ b/docs/config.toml
@@ -34,7 +34,7 @@
   # we change the version for the complete docs when forking of a release branch
   # etc.
   # The full version string as referenced in Maven (e.g. 1.2.1)
-  Version = "1.3.0"
+  Version = "1.3.1"
 
   # For stable releases, leave the bugfix version out (e.g. 1.2). For snapshot
   # release this should be the same as the regular version