diff --git a/packages/poseidon-proof/build.tsconfig.json b/packages/poseidon-proof/build.tsconfig.json
index 2d4a1d6da..09b37d986 100644
--- a/packages/poseidon-proof/build.tsconfig.json
+++ b/packages/poseidon-proof/build.tsconfig.json
@@ -2,7 +2,8 @@
     "extends": "../../tsconfig.json",
     "compilerOptions": {
         "baseUrl": ".",
-        "declarationDir": "dist/types"
+        "declarationDir": "dist/types",
+        "resolveJsonModule": true
     },
     "include": ["src"]
 }
diff --git a/packages/poseidon-proof/package.json b/packages/poseidon-proof/package.json
index 5557cd5a1..6da05508f 100644
--- a/packages/poseidon-proof/package.json
+++ b/packages/poseidon-proof/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@zk-kit/poseidon-proof",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "description": "A library to generate and verify Poseidon proofs.",
     "license": "MIT",
     "main": "dist/index.js",
@@ -45,7 +45,7 @@
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/keccak256": "^5.7.0",
-        "@zk-kit/groth16": "0.3.0",
+        "@zk-kit/groth16": "0.4.0",
         "download": "^8.0.0",
         "tmp": "^0.2.1"
     }
diff --git a/packages/poseidon-proof/src/config.ts b/packages/poseidon-proof/src/config.ts
index 65d282708..402020e70 100644
--- a/packages/poseidon-proof/src/config.ts
+++ b/packages/poseidon-proof/src/config.ts
@@ -1,7 +1,4 @@
-import pkg from "../package.json"
-
-export const libraryName = pkg.name.split("/")[1]
-
+// eslint-disable-next-line import/prefer-default-export
 export const defaultSnarkArtifacts = {
     wasmFilePath: "https://zkkit.cedoor.dev/poseidon-proof.wasm",
     zkeyFilePath: "https://zkkit.cedoor.dev/poseidon-proof.zkey"
diff --git a/packages/poseidon-proof/src/generate.ts b/packages/poseidon-proof/src/generate.ts
index e5a0f6797..d52754ee6 100644
--- a/packages/poseidon-proof/src/generate.ts
+++ b/packages/poseidon-proof/src/generate.ts
@@ -4,7 +4,7 @@ import { NumericString, prove } from "@zk-kit/groth16"
 import download from "download"
 import fs from "fs"
 import tmp from "tmp"
-import { defaultSnarkArtifacts, libraryName } from "./config"
+import { defaultSnarkArtifacts } from "./config"
 import hash from "./hash"
 import packProof from "./packProof"
 import { PoseidonProof, SnarkArtifacts } from "./types"
@@ -34,7 +34,7 @@ export default async function generate(
     /* istanbul ignore next */
     if (!snarkArtifacts) {
         if (isNode()) {
-            const tmpDir = libraryName
+            const tmpDir = "poseidon-proof"
             const tmpPath = `${tmp.tmpdir}/${tmpDir}`
 
             if (!fs.existsSync(tmpPath)) {
diff --git a/packages/poseidon-proof/src/index.test.ts b/packages/poseidon-proof/tests/index.test.ts
similarity index 87%
rename from packages/poseidon-proof/src/index.test.ts
rename to packages/poseidon-proof/tests/index.test.ts
index 76ada93d7..f3e6d6db1 100644
--- a/packages/poseidon-proof/src/index.test.ts
+++ b/packages/poseidon-proof/tests/index.test.ts
@@ -1,11 +1,11 @@
 import { buildBn128 } from "@zk-kit/groth16"
 import { poseidon1, poseidon2 } from "poseidon-lite"
-import generate from "./generate"
-import packProof from "./packProof"
-import { PoseidonProof } from "./types"
-import unpackProof from "./unpackProof"
-import verify from "./verify"
-import hash from "./hash"
+import generate from "../src/generate"
+import packProof from "../src/packProof"
+import { PoseidonProof } from "../src/types"
+import unpackProof from "../src/unpackProof"
+import verify from "../src/verify"
+import hash from "../src/hash"
 
 describe("PoseidonProof", () => {
     const preimage = 2
diff --git a/packages/poseidon-proof/tsconfig.json b/packages/poseidon-proof/tsconfig.json
index dfaf0c1ad..98496a5a1 100644
--- a/packages/poseidon-proof/tsconfig.json
+++ b/packages/poseidon-proof/tsconfig.json
@@ -1,4 +1,7 @@
 {
     "extends": "../../tsconfig.json",
-    "include": ["src", "rollup.config.ts"]
+    "compilerOptions": {
+        "resolveJsonModule": true
+    },
+    "include": ["src", "tests", "rollup.config.ts"]
 }
diff --git a/tsconfig.json b/tsconfig.json
index 9de0656b9..b27f99d7f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,6 @@
         "target": "ES5",
         "module": "ES2020",
         "moduleResolution": "node",
-        "resolveJsonModule": true,
         "esModuleInterop": true,
         "preserveConstEnums": true,
         "skipLibCheck": true,
diff --git a/yarn.lock b/yarn.lock
index 5e5e48449..9ff63c1e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4448,17 +4448,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@zk-kit/groth16@npm:0.3.0":
-  version: 0.3.0
-  resolution: "@zk-kit/groth16@npm:0.3.0"
-  dependencies:
-    circom_runtime: 0.1.24
-    ffjavascript: 0.2.60
-  checksum: f177fffd7e28c1f6617a67758c017bb962bde8829a6b90bea8053c0c164386b73b58cfe26c2481435bbc0de0c14d8301c23818e4a0450979bceb525f64e9db51
-  languageName: node
-  linkType: hard
-
-"@zk-kit/groth16@workspace:packages/groth16":
+"@zk-kit/groth16@0.4.0, @zk-kit/groth16@workspace:packages/groth16":
   version: 0.0.0-use.local
   resolution: "@zk-kit/groth16@workspace:packages/groth16"
   dependencies:
@@ -4526,7 +4516,7 @@ __metadata:
     "@rollup/plugin-json": ^5.0.1
     "@types/download": ^8.0.5
     "@types/tmp": ^0.2.6
-    "@zk-kit/groth16": 0.3.0
+    "@zk-kit/groth16": 0.4.0
     download: ^8.0.0
     poseidon-lite: ^0.2.0
     rollup-plugin-cleanup: ^3.2.1