diff --git a/Cargo.lock b/Cargo.lock
index d6672d2..3da97c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -125,6 +125,34 @@ dependencies = [
  "ark-std 0.4.0",
 ]
 
+[[package]]
+name = "ark-circom"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "295bb8e275f3e211b36a822469ba88deb028ecb3d7fe8684102598a9158a7350"
+dependencies = [
+ "ark-bn254 0.4.0",
+ "ark-crypto-primitives 0.4.0",
+ "ark-ec 0.4.1",
+ "ark-ff 0.4.1",
+ "ark-groth16 0.4.0",
+ "ark-poly 0.4.1",
+ "ark-relations 0.4.0",
+ "ark-serialize 0.4.1",
+ "ark-std 0.4.0",
+ "byteorder",
+ "cfg-if",
+ "color-eyre 0.6.2",
+ "criterion 0.3.6",
+ "fnv",
+ "hex",
+ "num",
+ "num-bigint",
+ "num-traits",
+ "thiserror",
+ "wasmer",
+]
+
 [[package]]
 name = "ark-circom"
 version = "0.1.0"
@@ -179,33 +207,6 @@ dependencies = [
  "wasmer",
 ]
 
-[[package]]
-name = "ark-circom"
-version = "0.1.0"
-source = "git+https://github.com/gakonst/ark-circom#f97ac2b2458fd14489bc70375bb45688f5ef26a8"
-dependencies = [
- "ark-bn254 0.4.0",
- "ark-crypto-primitives 0.4.0",
- "ark-ec 0.4.1",
- "ark-ff 0.4.1",
- "ark-groth16 0.4.0",
- "ark-poly 0.4.1",
- "ark-relations 0.4.0",
- "ark-serialize 0.4.1",
- "ark-std 0.4.0",
- "byteorder",
- "cfg-if",
- "color-eyre 0.6.2",
- "criterion 0.3.6",
- "fnv",
- "hex",
- "num",
- "num-bigint",
- "num-traits",
- "thiserror",
- "wasmer",
-]
-
 [[package]]
 name = "ark-crypto-primitives"
 version = "0.3.0"
@@ -2411,14 +2412,6 @@ dependencies = [
  "plotters-backend",
 ]
 
-[[package]]
-name = "pmtree"
-version = "1.0.0"
-source = "git+https://github.com/vacp2p/pmtree?rev=4521c44#4521c4406551fecd8f2e8543233e73e5061686e7"
-dependencies = [
- "rayon",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -2696,7 +2689,7 @@ name = "rln"
 version = "0.1.0"
 dependencies = [
  "ark-bn254 0.4.0",
- "ark-circom 0.1.0 (git+https://github.com/gakonst/ark-circom)",
+ "ark-circom 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ark-ec 0.4.1",
  "ark-ff 0.4.1",
  "ark-groth16 0.4.0",
@@ -2717,8 +2710,8 @@ dependencies = [
  "sled",
  "thiserror",
  "tiny-keccak",
- "utils",
  "wasmer",
+ "zerokit_utils",
 ]
 
 [[package]]
@@ -3177,7 +3170,7 @@ version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290d54ea6f91c969195bdbcd7442c8c2a2ba87da8bf60a7ee86a235d4bc1e125"
 dependencies = [
- "strum_macros 0.25.0",
+ "strum_macros 0.25.1",
 ]
 
 [[package]]
@@ -3195,9 +3188,9 @@ dependencies = [
 
 [[package]]
 name = "strum_macros"
-version = "0.25.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9f3bd7d2e45dcc5e265fbb88d6513e4747d8ef9444cf01a533119bce28a157"
+checksum = "6069ca09d878a33f883cc06aaa9718ede171841d3832450354410b718b097232"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -3276,18 +3269,18 @@ checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
 
 [[package]]
 name = "thiserror"
-version = "1.0.38"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
+checksum = "a5ab016db510546d856297882807df8da66a16fb8c4101cb8b30054b0d5b2d9c"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.38"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
+checksum = "5420d42e90af0c38c3290abcca25b9b3bdf379fc9f55c528f53a269d9c9a267e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3505,29 +3498,21 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
-[[package]]
-name = "utils"
-version = "0.1.0"
-dependencies = [
- "ark-bn254 0.4.0",
- "ark-ff 0.4.1",
- "color-eyre 0.6.2",
- "criterion 0.4.0",
- "hex-literal",
- "num-bigint",
- "num-traits",
- "pmtree",
- "serde",
- "sled",
- "tiny-keccak",
-]
-
 [[package]]
 name = "uuid"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dad5567ad0cf5b760e5665964bec1b47dfd077ba8a2544b513f3556d3d239a2"
 
+[[package]]
+name = "vacp2p_pmtree"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bee78790de52d6774ea318eb747a488fd5d96055bfe75ec2e7f605b15e21c664"
+dependencies = [
+ "rayon",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.0"
@@ -4272,3 +4257,20 @@ dependencies = [
  "quote",
  "syn 2.0.16",
 ]
+
+[[package]]
+name = "zerokit_utils"
+version = "0.1.0"
+dependencies = [
+ "ark-bn254 0.4.0",
+ "ark-ff 0.4.1",
+ "color-eyre 0.6.2",
+ "criterion 0.4.0",
+ "hex-literal",
+ "num-bigint",
+ "num-traits",
+ "serde",
+ "sled",
+ "tiny-keccak",
+ "vacp2p_pmtree",
+]
diff --git a/rln/Cargo.toml b/rln/Cargo.toml
index 8da0f7a..81a29d0 100644
--- a/rln/Cargo.toml
+++ b/rln/Cargo.toml
@@ -3,6 +3,7 @@ name = "rln"
 version = "0.1.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
+description = "APIs to manage, compute and verify zkSNARK proofs and RLN primitives"
 
 [lib]
 crate-type = ["rlib", "staticlib"]
@@ -21,34 +22,34 @@ ark-bn254 = { version = "=0.4.0" }
 ark-groth16 = { version = "=0.4.0", features = ["parallel"], default-features = false }
 ark-relations = { version = "=0.4.0", default-features = false, features = [ "std" ] }
 ark-serialize = { version = "=0.4.1", default-features = false }
-ark-circom = { version = "=0.1.0", git = "https://github.com/gakonst/ark-circom", default-features = false, features = ["circom-2"] }
+ark-circom = { version = "=0.1.0", default-features = false, features = ["circom-2"] }
 
 # WASM
-wasmer = { version = "2.3.0", default-features = false }
+wasmer = { version = "=2.3.0", default-features = false }
 
 # error handling
 color-eyre = "=0.6.2"
-thiserror = "=1.0.38"
+thiserror = "=1.0.39"
 
 # utilities
 cfg-if = "=1.0"
 num-bigint = { version = "=0.4.3", default-features = false, features = ["rand"] }
-num-traits = "0.2.11"
-once_cell = "1.14.0"
+num-traits = "=0.2.15"
+once_cell = "=1.17.1"
 rand = "=0.8.5"
 rand_chacha = "=0.3.1"
 tiny-keccak = { version = "=2.0.2", features = ["keccak"] }
-utils = { version = "=0.1.0", path = "../utils/", default-features = false }
+utils = { package = "zerokit_utils", version = "=0.1.0", path = "../utils/", default-features = false }
 
 # serialization
-serde_json = "1.0.48"
-serde = { version = "1.0.130", features = ["derive"] }
+serde_json = "=1.0.96"
+serde = { version = "=1.0.163", features = ["derive"] }
 
 include_dir = "=0.7.3"
 
 [dev-dependencies]
 sled = "=0.34.7"
-criterion = { version = "0.4", features = ["html_reports"] }
+criterion = { version = "=0.4.0", features = ["html_reports"] }
 
 [features]
 default = ["parallel", "wasmer/sys-default", "pmtree-ft"]
diff --git a/utils/Cargo.toml b/utils/Cargo.toml
index edfaf44..80a53ae 100644
--- a/utils/Cargo.toml
+++ b/utils/Cargo.toml
@@ -1,8 +1,9 @@
 [package]
-name = "utils"
+name = "zerokit_utils"
 version = "0.1.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
+description = "Various utilities for Zerokit"
 
 [lib]
 bench = false
@@ -11,16 +12,16 @@ bench = false
 ark-ff = { version = "=0.4.1", default-features = false, features = ["asm"] }
 num-bigint = { version = "=0.4.3", default-features = false, features = ["rand"] }
 color-eyre = "=0.6.2"
-pmtree = { git = "https://github.com/vacp2p/pmtree", rev = "4521c44", optional = true}
+pmtree = { package = "vacp2p_pmtree", version = "=1.0.0", optional = true}
 sled = "=0.34.7"
-serde = "1.0.44"
+serde = "=1.0.163"
 
 [dev-dependencies]
 ark-bn254 = "=0.4.0"
-num-traits = "0.2.11"
-hex-literal = "0.3.4"
-tiny-keccak = { version = "2.0.2", features = ["keccak"] }
-criterion = { version = "0.4", features = ["html_reports"] }
+num-traits = "=0.2.15"
+hex-literal = "=0.3.4"
+tiny-keccak = { version = "=2.0.2", features = ["keccak"] }
+criterion = { version = "=0.4.0", features = ["html_reports"] }
 
 [features]
 default = ["parallel"]
diff --git a/utils/benches/merkle_tree_benchmark.rs b/utils/benches/merkle_tree_benchmark.rs
index 40d428d..57e2663 100644
--- a/utils/benches/merkle_tree_benchmark.rs
+++ b/utils/benches/merkle_tree_benchmark.rs
@@ -1,7 +1,7 @@
 use criterion::{criterion_group, criterion_main, Criterion};
 use hex_literal::hex;
 use tiny_keccak::{Hasher as _, Keccak};
-use utils::{
+use zerokit_utils::{
     FullMerkleConfig, FullMerkleTree, Hasher, OptimalMerkleConfig, OptimalMerkleTree,
     ZerokitMerkleTree,
 };
diff --git a/utils/tests/merkle_tree.rs b/utils/tests/merkle_tree.rs
index dd9a500..2abcaeb 100644
--- a/utils/tests/merkle_tree.rs
+++ b/utils/tests/merkle_tree.rs
@@ -3,7 +3,7 @@
 mod test {
     use hex_literal::hex;
     use tiny_keccak::{Hasher as _, Keccak};
-    use utils::{
+    use zerokit_utils::{
         FullMerkleConfig, FullMerkleTree, Hasher, OptimalMerkleConfig, OptimalMerkleTree,
         ZerokitMerkleProof, ZerokitMerkleTree,
     };
diff --git a/utils/tests/poseidon_constants.rs b/utils/tests/poseidon_constants.rs
index 91ad4a2..39654f2 100644
--- a/utils/tests/poseidon_constants.rs
+++ b/utils/tests/poseidon_constants.rs
@@ -3,7 +3,7 @@ mod test {
     use ark_bn254::Fr;
     use num_bigint::BigUint;
     use num_traits::Num;
-    use utils::poseidon_hash::Poseidon;
+    use zerokit_utils::poseidon_hash::Poseidon;
 
     const ROUND_PARAMS: [(usize, usize, usize, usize); 8] = [
         (2, 8, 56, 0),