diff --git a/.env.example b/.env.example
index 20f30fd..41fef19 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,4 @@
-MERKLE_TREE_HEIGHT=16
+MERKLE_TREE_HEIGHT=20
 # in wei
 ETH_AMOUNT=100000000000000000
 TOKEN_AMOUNT=100000000000000000
diff --git a/circuits/withdraw.circom b/circuits/withdraw.circom
index d92a324..bed8cd6 100644
--- a/circuits/withdraw.circom
+++ b/circuits/withdraw.circom
@@ -52,4 +52,4 @@ template Withdraw(levels) {
     }
 }
 
-component main = Withdraw(16);
+component main = Withdraw(20);