diff --git a/chess-openings b/chess-openings
index 374db4b..3439d9e 160000
--- a/chess-openings
+++ b/chess-openings
@@ -1 +1 @@
-Subproject commit 374db4b841a7964a52ebeb7dc69af0a5f7991b0a
+Subproject commit 3439d9e58eb0ebbd3acea99c85303bd56ef171fb