diff --git a/libs/aarch64-apple-darwin/librln.a b/libs/aarch64-apple-darwin/librln.a
index 410c542..e40bff4 100644
Binary files a/libs/aarch64-apple-darwin/librln.a and b/libs/aarch64-apple-darwin/librln.a differ
diff --git a/libs/x86_64-apple-darwin/librln.a b/libs/x86_64-apple-darwin/librln.a
index d70defb..f78fae8 100644
Binary files a/libs/x86_64-apple-darwin/librln.a and b/libs/x86_64-apple-darwin/librln.a differ
diff --git a/rln/librln.h b/rln/librln.h
index 65432b1..92201a6 100644
--- a/rln/librln.h
+++ b/rln/librln.h
@@ -31,6 +31,7 @@ bool new_with_params(uintptr_t tree_height,
                      const struct Buffer *circom_buffer,
                      const struct Buffer *zkey_buffer,
                      const struct Buffer *vk_buffer,
+                     const struct Buffer *tree_config,
                      struct RLN **ctx);
 
 bool set_tree(struct RLN *ctx, uintptr_t tree_height);
diff --git a/zerokit b/zerokit
index d1414a4..d015c4a 160000
--- a/zerokit
+++ b/zerokit
@@ -1 +1 @@
-Subproject commit d1414a44c5e088bbf23523f032a001122e35f0c2
+Subproject commit d015c4ab591cb7b260a92a077d3cd1d76609667f