diff --git a/lib/nighres b/lib/nighres
index 7293c36..31c60e3 160000
--- a/lib/nighres
+++ b/lib/nighres
@@ -1 +1 @@
-Subproject commit 7293c368476a015708b3a89c43409fdfdef9e19c
+Subproject commit 31c60e3211affae5a34c304fe62942ef3f3fffa6