diff --git a/Cargo.lock b/Cargo.lock
index e15b9cb..eef08e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4798,8 +4798,8 @@ dependencies = [
 
 [[package]]
 name = "zk-regex-apis"
-version = "2.3.0"
-source = "git+https://github.com/zkemail/zk-regex.git#f5f70b96c215659ebf38d4ed0ae9082b085842a5"
+version = "2.3.1"
+source = "git+https://github.com/zkemail/zk-regex.git?branch=dimidumo%2Fzk-802-consistent-casing-everywhere#5b357f2c7aa4643964534d88ebe5db3512048a71"
 dependencies = [
  "fancy-regex",
  "itertools 0.13.0",
diff --git a/Cargo.toml b/Cargo.toml
index ef89835..c972144 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,8 @@ crate-type = ["rlib", "cdylib"]
 itertools = "0.10.3"
 serde_json = "1.0.95"
 serde = { version = "1.0.159", features = ["derive"] }
-zk-regex-apis = { version = "2.1.1", git = "https://github.com/zkemail/zk-regex.git" }
+# zk-regex-apis = { version = "2.1.1", git = "https://github.com/zkemail/zk-regex.git" }
+zk-regex-apis = { git = "https://github.com/zkemail/zk-regex.git", branch = "dimidumo/zk-802-consistent-casing-everywhere" }
 hex = "0.4.3"
 anyhow = "1.0.75"
 poseidon-rs = { git = "https://github.com/zkemail/poseidon-rs.git", version = "1.0.0" }
diff --git a/package.json b/package.json
index fb7f124..f08dc3c 100644
--- a/package.json
+++ b/package.json
@@ -3,12 +3,14 @@
   "module": "index.ts",
   "scripts": {
     "publish-npm": "cd pkg && npm publish --access public && cd ..",
+    "publish-npm-nightly": "cd pkg && npm publish --access public --tag nightly && cd ..",
     "publish": "bun run build && bun run publish-npm",
+    "publish-nightly": "bun run build && bun run publish-npm-nightly",
     "wasm:build": "wasm-pack build --target bundler --out-dir pkg",
     "wasm:postbuild": "node build.js",
     "build": "npm run wasm:build && npm run wasm:postbuild"
   },
-  "version": "0.4.55",
+  "version": "0.4.59.0",
   "devDependencies": {
     "@types/bun": "latest",
     "prettier": "^3.3.3"
diff --git a/src/parse_email.rs b/src/parse_email.rs
index c3ff085..b72b9d5 100644
--- a/src/parse_email.rs
+++ b/src/parse_email.rs
@@ -23,6 +23,7 @@ use zk_regex_apis::extract_substrs::{
 
 /// `ParsedEmail` holds the canonicalized parts of an email along with its signature and public key.
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct ParsedEmail {
     /// The canonicalized email header.
     pub canonicalized_header: String,
diff --git a/ts_tests/circuit_intput.ts b/ts_tests/circuit_intput.ts
index 73dea6c..bd09b80 100644
--- a/ts_tests/circuit_intput.ts
+++ b/ts_tests/circuit_intput.ts
@@ -12,12 +12,12 @@ describe("generateCircuitInputsWithDecomposedRegexesAndExternalInputs test suite
       {
         parts: [
           {
-            is_public: true,
-            regex_def: "Hi",
+            isPublic: true,
+            regexDef: "Hi",
           },
           {
-            is_public: true,
-            regex_def: "!",
+            isPublic: true,
+            regexDef: "!",
           },
         ],
         name: "hi",
@@ -49,12 +49,12 @@ describe("generateCircuitInputsWithDecomposedRegexesAndExternalInputs test suite
       {
         parts: [
           {
-            is_public: true,
-            regex_def: "Hi",
+            isPublic: true,
+            regexDef: "Hi",
           },
           {
-            is_public: true,
-            regex_def: "!",
+            isPublic: true,
+            regexDef: "!",
           },
         ],
         name: "hi",
@@ -67,9 +67,9 @@ describe("generateCircuitInputsWithDecomposedRegexesAndExternalInputs test suite
       {
         name: "address",
         maxLength: 64,
-        value: "tester@zkemail.com"
-      }
-    ]
+        value: "tester@zkemail.com",
+      },
+    ];
 
     const params = {
       maxHeaderLength: 2816,