diff --git a/libs/x86_64-pc-windows-gnu/librln.a b/libs/x86_64-pc-windows-gnu/librln.a
index f695c19..8cd20c9 100644
Binary files a/libs/x86_64-pc-windows-gnu/librln.a and b/libs/x86_64-pc-windows-gnu/librln.a differ
diff --git a/libs/x86_64-unknown-linux-gnu/librln.a b/libs/x86_64-unknown-linux-gnu/librln.a
index 98984e5..86c6229 100644
Binary files a/libs/x86_64-unknown-linux-gnu/librln.a and b/libs/x86_64-unknown-linux-gnu/librln.a differ
diff --git a/libs/x86_64-unknown-linux-musl/librln.a b/libs/x86_64-unknown-linux-musl/librln.a
index 8c06737..7ba2093 100644
Binary files a/libs/x86_64-unknown-linux-musl/librln.a and b/libs/x86_64-unknown-linux-musl/librln.a differ
diff --git a/rln/librln.h b/rln/librln.h
index 2aa3fca..65432b1 100644
--- a/rln/librln.h
+++ b/rln/librln.h
@@ -94,6 +94,8 @@ bool set_metadata(struct RLN *ctx, const struct Buffer *input_buffer);
 
 bool get_metadata(const struct RLN *ctx, struct Buffer *output_buffer);
 
+bool flush(struct RLN *ctx);
+
 bool hash(const struct Buffer *input_buffer, struct Buffer *output_buffer);
 
 bool poseidon_hash(const struct Buffer *input_buffer, struct Buffer *output_buffer);
diff --git a/rln/wrapper.go b/rln/wrapper.go
index a23af4f..1e338cf 100644
--- a/rln/wrapper.go
+++ b/rln/wrapper.go
@@ -222,3 +222,14 @@ func (r *RLN) GetRoot() ([]byte, error) {
 
 	return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
 }
+
+func (r *RLN) GetLeaf(index uint) ([]byte, error) {
+	var output []byte
+	out := toBuffer(output)
+
+	if !bool(C.get_leaf(r.ptr, C.uintptr_t(index), &out)) {
+		return nil, errors.New("could not get the leaf")
+	}
+
+	return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
+}
diff --git a/zerokit b/zerokit
index 8a365f0..6d58320 160000
--- a/zerokit
+++ b/zerokit
@@ -1 +1 @@
-Subproject commit 8a365f0c9e5c4a744f70c5dd4904ce8d8f926c34
+Subproject commit 6d583200777aa94131e687e1797af0ba568a66dc