diff --git a/external/libabacus b/external/libabacus
index 0065fe5..37593ab 160000
--- a/external/libabacus
+++ b/external/libabacus
@@ -1 +1 @@
-Subproject commit 0065fe5e65cd1a0e1fa8c76da3d79af195168273
+Subproject commit 37593abe40d70733a1749dba5a7d37c8cea120a2