diff --git a/bin/update-bugsnag.js b/bin/update-bugsnag.js
index 5ab9934fca3..d53d787f5be 100755
--- a/bin/update-bugsnag.js
+++ b/bin/update-bugsnag.js
@@ -7,7 +7,7 @@ import { fileURLToPath } from 'url';
 import { node } from "@bugsnag/source-maps";
 import reportBuild from 'bugsnag-build-reporter';
 import glob from 'fast-glob';
-import tmp from 'tmp';
+import os from 'os';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
@@ -27,34 +27,26 @@ if (!packageName) {
 
     console.log(`Preparing @shopify/${packageName}`);
 
-    await new Promise((resolve, reject) => {
-      tmp.dir({unsafeCleanup: true}, async (err, temporaryDirectory) => {
-        if (err) {
-          reject(err);
-        }
-        try {
-          const temporaryShopifyPackage = await fsPromise.mkdir(path.join(temporaryDirectory, '@shopify'), { recursive: true});
-          const temporaryPackageCopy = await fsPromise.mkdir(path.join(temporaryShopifyPackage, `${packageName}`), { recursive: true });
+    const temporaryDirectory = await fsPromise.mkdtemp(path.join(os.tmpdir(), 'bugsnag-'));
+    try {
+      const temporaryShopifyPackage = await fsPromise.mkdir(path.join(temporaryDirectory, '@shopify'), { recursive: true});
+      const temporaryPackageCopy = await fsPromise.mkdir(path.join(temporaryShopifyPackage, `${packageName}`), { recursive: true });
 
-          console.log('Copying to temporary directory');
-          fs.cpSync(sourceDirectory, temporaryPackageCopy, {recursive: true});
+      console.log('Copying to temporary directory');
+      fs.cpSync(sourceDirectory, temporaryPackageCopy, {recursive: true});
 
-          console.log('Uploading to Bugsnag');
-          process.chdir(temporaryDirectory);
-          await node.uploadMultiple({
-            apiKey,
-            appVersion,
-            overwrite: true,
-            directory: '.',
-            endpoint: 'https://error-analytics-production.shopifysvc.com/api/v1/sourcemap/browser'
-          });
-
-          resolve();
-        } catch (e) {
-          reject(e);
-        }
+      console.log('Uploading to Bugsnag');
+      process.chdir(temporaryDirectory);
+      await node.uploadMultiple({
+        apiKey,
+        appVersion,
+        overwrite: true,
+        directory: '.',
+        endpoint: 'https://error-analytics-production.shopifysvc.com/api/v1/sourcemap/browser'
       });
-    });
+    } finally {
+      await fsPromise.rm(temporaryDirectory, {recursive: true, force: true});
+    }
 
     console.log(`Cleaning sourcemaps from @shopify/${packageName}`);
 
diff --git a/package.json b/package.json
index fc6802e3a90..e8054b4b73f 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,6 @@
     "@shopify/eslint-plugin-cli": "file:packages/eslint-plugin-cli",
     "@shopify/generate-docs": "0.15.6",
     "@types/node": "18.19.70",
-    "@types/tmp": "^0.2.5",
     "@typescript-eslint/parser": "8.56.1",
     "@vitest/coverage-istanbul": "^3.1.4",
     "ansi-colors": "^4.1.3",
@@ -75,7 +74,6 @@
     "pathe": "1.1.1",
     "pin-github-action": "^3.3.1",
     "rimraf": "^6.1.3",
-    "tmp": "^0.2.5",
     "ts-node": "^10.9.1",
     "typescript": "5.9.3",
     "vitest": "^3.1.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6d6ac541a03..4e47b801477 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -58,9 +58,6 @@ importers:
       '@types/node':
         specifier: 18.19.70
         version: 18.19.70
-      '@types/tmp':
-        specifier: ^0.2.5
-        version: 0.2.6
       '@typescript-eslint/parser':
         specifier: 8.56.1
         version: 8.56.1(eslint@9.39.3(jiti@2.6.1))(typescript@5.9.3)
@@ -136,9 +133,6 @@ importers:
       rimraf:
         specifier: ^6.1.3
         version: 6.1.3
-      tmp:
-        specifier: ^0.2.5
-        version: 0.2.5
       ts-node:
         specifier: ^10.9.1
         version: 10.9.2(@types/node@18.19.70)(typescript@5.9.3)
@@ -3965,9 +3959,6 @@ packages:
   '@types/tinycolor2@1.4.6':
     resolution: {integrity: sha512-iEN8J0BoMnsWBqjVbWH/c0G0Hh7O21lpR2/+PrvAVgWdzL7eexIFm4JN/Wn10PTcmNdtS6U67r499mlWMXOxNw==}
 
-  '@types/tmp@0.2.6':
-    resolution: {integrity: sha512-chhaNf2oKHlRkDGt+tiKE2Z5aJ6qalm7Z9rlLdBwmOiAAf09YQvvoLXjWK4HWPF1xU/fqvMgfNfpVoBscA/tKA==}
-
   '@types/unist@3.0.3':
     resolution: {integrity: sha512-ko/gIFJRv177XgZsZcBwnqJN5x/Gien8qNOn0D5bQU/zAzVf9Zt3BlcUiLqhV9y4ARk0GbT3tnUiPNgnTXzc/Q==}
 
@@ -13243,8 +13234,6 @@ snapshots:
 
   '@types/tinycolor2@1.4.6': {}
 
-  '@types/tmp@0.2.6': {}
-
   '@types/unist@3.0.3': {}
 
   '@types/which@3.0.4': {}