diff --git a/vendor/zerokit b/vendor/zerokit
index c319f32a1..584c2cf4c 160000
--- a/vendor/zerokit
+++ b/vendor/zerokit
@@ -1 +1 @@
-Subproject commit c319f32a1e4a3471554006523c90856a943b366e
+Subproject commit 584c2cf4c000b391ca6b415c09d8399fde329e5c
diff --git a/waku/v2/waku_rln_relay/constants.nim b/waku/v2/waku_rln_relay/constants.nim
index 4d36ab2f8..79451c13f 100644
--- a/waku/v2/waku_rln_relay/constants.nim
+++ b/waku/v2/waku_rln_relay/constants.nim
@@ -1,9 +1,11 @@
 import
+  std/json,
   stint
 
 import
   ../waku_keystore
 
+
 # Acceptable roots for merkle root validation of incoming messages
 const AcceptableRootWindowSize* = 5
 
@@ -28,7 +30,7 @@ const
 const
   # The relative folder where the circuit, proving and verification key for RLN can be found
   # Note that resources has to be compiled with respect to the above MerkleTreeDepth
-  RlnResourceFolder* = "tree_height_" & $MerkleTreeDepth & "/"
+  RlnConfig* = $(%* { "resources_folder": "tree_height_" & $MerkleTreeDepth & "/" })
 
 # temporary variables to test waku-rln-relay performance in the static group mode
 const
diff --git a/waku/v2/waku_rln_relay/rln/wrappers.nim b/waku/v2/waku_rln_relay/rln/wrappers.nim
index 0c541f088..8599fd249 100644
--- a/waku/v2/waku_rln_relay/rln/wrappers.nim
+++ b/waku/v2/waku_rln_relay/rln/wrappers.nim
@@ -59,7 +59,7 @@ proc createRLNInstanceLocal*(d: int = MerkleTreeDepth): RLNResult =
   var
     rlnInstance: ptr RLN
     merkleDepth: csize_t = uint(d)
-    resourcesPathBuffer = RlnResourceFolder.toOpenArrayByte(0, RlnResourceFolder.high).toBuffer()
+    resourcesPathBuffer = RlnConfig.toOpenArrayByte(0, RlnConfig.high).toBuffer()
 
   # create an instance of RLN
   let res = new_circuit(merkleDepth, addr resourcesPathBuffer, addr rlnInstance)