diff --git a/Cargo.lock b/Cargo.lock
index ea30c66..1bbce52 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2695,7 +2695,7 @@ dependencies = [
 
 [[package]]
 name = "rln"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "ark-bn254 0.4.0",
  "ark-circom 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4260,7 +4260,7 @@ dependencies = [
 
 [[package]]
 name = "zerokit_utils"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "ark-bn254 0.4.0",
  "ark-ff 0.4.1",
diff --git a/rln/Cargo.toml b/rln/Cargo.toml
index 14c5af7..97a6807 100644
--- a/rln/Cargo.toml
+++ b/rln/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rln"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "APIs to manage, compute and verify zkSNARK proofs and RLN primitives"
@@ -42,7 +42,7 @@ once_cell = "=1.17.1"
 rand = "=0.8.5"
 rand_chacha = "=0.3.1"
 tiny-keccak = { version = "=2.0.2", features = ["keccak"] }
-utils = { package = "zerokit_utils", version = "=0.4.0", path = "../utils/", default-features = false }
+utils = { package = "zerokit_utils", version = "=0.4.1", path = "../utils/", default-features = false }
 
 
 # serialization
diff --git a/rln/resources/tree_height_20/rln_final.zkey b/rln/resources/tree_height_20/rln_final.zkey
index 0318efa..46489a1 100644
Binary files a/rln/resources/tree_height_20/rln_final.zkey and b/rln/resources/tree_height_20/rln_final.zkey differ
diff --git a/rln/resources/tree_height_20/verification_key.json b/rln/resources/tree_height_20/verification_key.json
index 7bdc62a..162e303 100644
--- a/rln/resources/tree_height_20/verification_key.json
+++ b/rln/resources/tree_height_20/verification_key.json
@@ -37,12 +37,12 @@
  ],
  "vk_delta_2": [
   [
-   "6832692771504397957590360708759281700999118750809760982970136159661838520508",
-   "13468886275581916448704001206191042468244128660792047667708868998914217226607"
+   "17077735495685170943380938230836408503627170115414840315502244846025577589191",
+   "14030085636943255545683322474441991939484590437387381169642530788494152024614"
   ],
   [
-   "14994740931449791291635382287837232766460012379707446516704013722977810183046",
-   "9922411474443524470273139351326464261786154815141265104663214568321167583711"
+   "11568745146423307387256571230823432454624378106569286849514884592874522611163",
+   "1838524899938769516485895655063198583192139511330418290063560641219523306282"
   ],
   [
    "1",
diff --git a/rln/src/public.rs b/rln/src/public.rs
index d779dbc..bd3e5fe 100644
--- a/rln/src/public.rs
+++ b/rln/src/public.rs
@@ -1673,18 +1673,18 @@ mod test {
 
         let valid_snarkjs_proof = json!({
          "pi_a": [
-          "4470527391588441860193200161084455226340491373346283552408949960585113822665",
-          "17066173901974939377117728437830216011764222423156801199965800887938087190121",
+          "606446415626469993821291758185575230335423926365686267140465300918089871829",
+          "14881534001609371078663128199084130129622943308489025453376548677995646280161",
           "1"
          ],
          "pi_b": [
           [
-           "15972566464269406830925988363875489807783626890329856187767783138745533264635",
-           "14937519511565349355063307001263881540320664095110809840110097755110649950560"
+           "18053812507994813734583839134426913715767914942522332114506614735770984570178",
+           "11219916332635123001710279198522635266707985651975761715977705052386984005181"
           ],
           [
-           "533488241215365262498062426054646750918758165791898421060280269581011723961",
-           "9035874337973494769294028746597715861635666159729389919309920308765805688602"
+           "17371289494006920912949790045699521359436706797224428511776122168520286372970",
+           "14038575727257298083893642903204723310279435927688342924358714639926373603890"
           ],
           [
            "1",
@@ -1692,8 +1692,8 @@ mod test {
           ]
          ],
          "pi_c": [
-          "20620241453393708332486848754039748595639801912969370960546027260091108922454",
-          "20580342189093698831710267260567759683930279312746044733195059538431965163807",
+          "17701377127561410274754535747274973758826089226897242202671882899370780845888",
+          "12608543716397255084418384146504333522628400182843246910626782513289789807030",
           "1"
          ],
          "protocol": "groth16",
diff --git a/utils/Cargo.toml b/utils/Cargo.toml
index 3862bca..9b0ab35 100644
--- a/utils/Cargo.toml
+++ b/utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "zerokit_utils"
-version = "0.4.0"
+version = "0.4.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 description = "Various utilities for Zerokit"