diff --git a/lib/solidity-merkle-trees b/lib/solidity-merkle-trees
index 8b0c7e0..f637bb0 160000
--- a/lib/solidity-merkle-trees
+++ b/lib/solidity-merkle-trees
@@ -1 +1 @@
-Subproject commit 8b0c7e03f0d656463a1e4a1e98050d0af89229bb
+Subproject commit f637bb083eb6bdef3daee016e300a56800c2725e