diff --git a/packages/safe-chain/src/utils/safeSpawn.js b/packages/safe-chain/src/utils/safeSpawn.js
index f45e4ff..410f455 100644
--- a/packages/safe-chain/src/utils/safeSpawn.js
+++ b/packages/safe-chain/src/utils/safeSpawn.js
@@ -1,4 +1,4 @@
-import { spawnSync, spawn } from "child_process";
+import { spawn, execSync } from "child_process";
 
 function escapeArg(arg) {
   // Shell metacharacters that need escaping
@@ -16,18 +16,39 @@ function escapeArg(arg) {
 
 function buildCommand(command, args) {
   const escapedArgs = args.map(escapeArg);
+
   return `${command} ${escapedArgs.join(" ")}`;
 }
 
-export function safeSpawnSync(command, args, options = {}) {
-  const fullCommand = buildCommand(command, args);
-  return spawnSync(fullCommand, { ...options, shell: true });
+function resolveCommandPath(command) {
+  // command will be "npm", "yarn", etc.
+  // Use 'command -v' to find the full path
+  const fullPath = execSync(`command -v ${command}`, {
+    encoding: "utf8",
+    shell: true,
+  }).trim();
+
+  if (!fullPath) {
+    throw new Error(`Command not found: ${command}`);
+  }
+
+  return fullPath;
 }
 
 export async function safeSpawn(command, args, options = {}) {
-  const fullCommand = buildCommand(command, args);
   return new Promise((resolve, reject) => {
-    const child = spawn(fullCommand, { ...options, shell: true });
+    // Windows requires shell: true because .bat and .cmd files are not executable
+    // without a terminal. On Unix/macOS, we resolve the full path first, then use
+    // array args (safer, no escaping needed).
+    // See: https://nodejs.org/api/child_process.html#child_processspawncommand-args-options
+    let child;
+    if (process.platform === "win32") {
+      const fullCommand = buildCommand(command, args);
+      child = spawn(fullCommand, { ...options, shell: true });
+    } else {
+      const fullPath = resolveCommandPath(command);
+      child = spawn(fullPath, args, options);
+    }
 
     child.on("close", (code) => {
       resolve({