diff --git a/apps/contracts/package.json b/apps/contracts/package.json
index 7eb69a6..1b764f3 100644
--- a/apps/contracts/package.json
+++ b/apps/contracts/package.json
@@ -20,8 +20,8 @@
         "@nomicfoundation/hardhat-network-helpers": "^1.0.0",
         "@nomicfoundation/hardhat-toolbox": "^4.0.0",
         "@nomicfoundation/hardhat-verify": "^2.0.0",
-        "@semaphore-protocol/core": "4.0.0",
-        "@semaphore-protocol/hardhat": "4.0.0",
+        "@semaphore-protocol/core": "4.3.1",
+        "@semaphore-protocol/hardhat": "4.3.1",
         "@typechain/ethers-v6": "^0.5.0",
         "@typechain/hardhat": "^9.0.0",
         "@types/chai": "^4.2.0",
@@ -39,6 +39,6 @@
         "typechain": "^8.3.0"
     },
     "dependencies": {
-        "@semaphore-protocol/contracts": "4.0.0"
+        "@semaphore-protocol/contracts": "4.3.1"
     }
 }
diff --git a/apps/web-app/package.json b/apps/web-app/package.json
index f24bf30..4211907 100644
--- a/apps/web-app/package.json
+++ b/apps/web-app/package.json
@@ -15,8 +15,8 @@
         "@chakra-ui/theme-tools": "^2.1.2",
         "@emotion/react": "^11.11.3",
         "@emotion/styled": "^11.11.0",
-        "@semaphore-protocol/core": "4.0.0",
-        "@semaphore-protocol/data": "4.0.0",
+        "@semaphore-protocol/core": "4.3.1",
+        "@semaphore-protocol/data": "4.3.1",
         "ethers": "^6.11.0",
         "framer-motion": "^11.0.5",
         "next": "14.1.0",
diff --git a/yarn.lock b/yarn.lock
index 5b3af77..394f8e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4005,95 +4005,96 @@ __metadata:
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-  resolution: "@semaphore-protocol/contracts@npm:4.0.0"
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-  resolution: "@semaphore-protocol/core@npm:4.0.0"
+"@semaphore-protocol/core@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/core@npm:4.3.1"
   dependencies:
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-    "@semaphore-protocol/identity": "npm:4.0.0"
-    "@semaphore-protocol/proof": "npm:4.0.0"
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-  resolution: "@semaphore-protocol/data@npm:4.0.0"
+"@semaphore-protocol/data@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/data@npm:4.3.1"
   dependencies:
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+    "@semaphore-protocol/utils": "npm:4.3.1"
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     ethers: "npm:6.11.0"
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-  resolution: "@semaphore-protocol/group@npm:4.0.0"
+"@semaphore-protocol/group@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/group@npm:4.3.1"
   dependencies:
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+    poseidon-lite: "npm:0.3.0"
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-  version: 4.0.0
-  resolution: "@semaphore-protocol/hardhat@npm:4.0.0"
+"@semaphore-protocol/hardhat@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/hardhat@npm:4.3.1"
   dependencies:
     "@nomicfoundation/hardhat-ethers": "npm:^3.0.0"
-    "@semaphore-protocol/contracts": "npm:4.0.0"
+    "@semaphore-protocol/contracts": "npm:4.3.1"
     ethers: "npm:^6.4.0"
     hardhat-dependency-compiler: "npm:^1.1.3"
   peerDependencies:
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+"@semaphore-protocol/identity@npm:4.3.1":
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+    poseidon-lite: "npm:0.3.0"
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-  version: 4.0.0
-  resolution: "@semaphore-protocol/proof@npm:4.0.0"
+"@semaphore-protocol/proof@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/proof@npm:4.3.1"
   dependencies:
-    "@semaphore-protocol/utils": "npm:4.0.0"
+    "@semaphore-protocol/utils": "npm:4.3.1"
     "@zk-kit/artifacts": "npm:1.8.0"
-    "@zk-kit/utils": "npm:1.0.0"
+    "@zk-kit/utils": "npm:1.2.1"
     ethers: "npm:6.10.0"
     snarkjs: "npm:0.7.4"
   peerDependencies:
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-  version: 4.0.0
-  resolution: "@semaphore-protocol/utils@npm:4.0.0"
+"@semaphore-protocol/utils@npm:4.3.1":
+  version: 4.3.1
+  resolution: "@semaphore-protocol/utils@npm:4.3.1"
   dependencies:
     ethers: "npm:^6.11.1"
-  checksum: 10/fe07d3941b045945fa89ff74b1c5683715ccb3fdef645fcd1a5cbfc4ad77f1f45c925fd8896f18d8f8f97a146b4ac4390a164b0e05d817400349c4058028bf51
+  checksum: 10/fa1a96e2d4e059e1d2ad204fb547ab9fea1ff92379c729fdb1596f0980a93af163f9b7d4acd35875a2238e64876fc5912a28cf337e9ca8ad339a6667b221b2c6
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@@ -4654,23 +4655,24 @@ __metadata:
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-"@zk-kit/baby-jubjub@npm:1.0.1":
-  version: 1.0.1
-  resolution: "@zk-kit/baby-jubjub@npm:1.0.1"
+"@zk-kit/baby-jubjub@npm:1.0.3":
+  version: 1.0.3
+  resolution: "@zk-kit/baby-jubjub@npm:1.0.3"
   dependencies:
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+    "@zk-kit/utils": "npm:1.2.1"
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   languageName: node
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-"@zk-kit/eddsa-poseidon@npm:1.0.2":
-  version: 1.0.2
-  resolution: "@zk-kit/eddsa-poseidon@npm:1.0.2"
+"@zk-kit/eddsa-poseidon@npm:1.0.4":
+  version: 1.0.4
+  resolution: "@zk-kit/eddsa-poseidon@npm:1.0.4"
   dependencies:
-    "@zk-kit/baby-jubjub": "npm:1.0.1"
-    "@zk-kit/utils": "npm:1.0.0"
+    "@zk-kit/baby-jubjub": "npm:1.0.3"
+    "@zk-kit/utils": "npm:1.2.1"
     buffer: "npm:6.0.3"
-  checksum: 10/4b4e984a96c5dbc95a8cf36ceb8b3712e37291c1473d01b0e22c15a33311e9cf88c86175d878dacda1852cc905cd2074aaa76defeaed33490be3964ca7a53372
+    poseidon-lite: "npm:0.3.0"
+  checksum: 10/f8c9603b8985813ad3ad09130306c529a754fa97f952a50ccf2762227c1e256cfce1c9f2b8bf5ed570d82a443a86ced56ce3f6fc30b57501c5e2a584be8f3b03
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@@ -4683,30 +4685,21 @@ __metadata:
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-"@zk-kit/lean-imt@npm:2.0.1":
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-  resolution: "@zk-kit/lean-imt@npm:2.0.1"
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-  languageName: node
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-  resolution: "@zk-kit/utils@npm:1.0.0"
+"@zk-kit/lean-imt@npm:2.2.1":
+  version: 2.2.1
+  resolution: "@zk-kit/lean-imt@npm:2.2.1"
   dependencies:
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-  checksum: 10/a471025ca4c69a825bebf2c68a0d83c55c345c8843f28eeb958f1e2aa549aaa982939c1d6d819dda337601163064f382e450d09103ba4d9a0525281a0a23696b
+    "@zk-kit/utils": "npm:1.2.1"
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-"@zk-kit/utils@npm:1.2.0":
-  version: 1.2.0
-  resolution: "@zk-kit/utils@npm:1.2.0"
+"@zk-kit/utils@npm:1.2.1":
+  version: 1.2.1
+  resolution: "@zk-kit/utils@npm:1.2.1"
   dependencies:
     buffer: "npm:^6.0.3"
-  checksum: 10/4c0b37d64b28a6cc33c901a0c59325b1fe9c31e6519eaefe4aa6028ae9cb85e97f047976942875face030a1835d5c955ea546d7dc4fcf9d35df79192ee2502f3
+  checksum: 10/05cb209adadad753ae9ca9be7a1664fb4c3259a703f64e8b0af637e5fa4b2a9099c21b80a30df62cfe826b165941e1dfe0e95decde5a4eafd53328692cb0a4b8
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@@ -6003,9 +5996,9 @@ __metadata:
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     "@nomicfoundation/hardhat-toolbox": "npm:^4.0.0"
     "@nomicfoundation/hardhat-verify": "npm:^2.0.0"
-    "@semaphore-protocol/contracts": "npm:4.0.0"
-    "@semaphore-protocol/core": "npm:4.0.0"
-    "@semaphore-protocol/hardhat": "npm:4.0.0"
+    "@semaphore-protocol/contracts": "npm:4.3.1"
+    "@semaphore-protocol/core": "npm:4.3.1"
+    "@semaphore-protocol/hardhat": "npm:4.3.1"
     "@typechain/ethers-v6": "npm:^0.5.0"
     "@typechain/hardhat": "npm:^9.0.0"
     "@types/chai": "npm:^4.2.0"
@@ -10217,10 +10210,10 @@ __metadata:
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-"poseidon-lite@npm:0.2.0":
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-  resolution: "poseidon-lite@npm:0.2.0"
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+"poseidon-lite@npm:0.3.0":
+  version: 0.3.0
+  resolution: "poseidon-lite@npm:0.3.0"
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@@ -12471,8 +12464,8 @@ __metadata:
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     "@emotion/react": "npm:^11.11.3"
     "@emotion/styled": "npm:^11.11.0"
-    "@semaphore-protocol/core": "npm:4.0.0"
-    "@semaphore-protocol/data": "npm:4.0.0"
+    "@semaphore-protocol/core": "npm:4.3.1"
+    "@semaphore-protocol/data": "npm:4.3.1"
     "@types/node": "npm:^20"
     "@types/react": "npm:^18"
     "@types/react-dom": "npm:^18"