wschurman · Sep 17, 2026 · Sep 14, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🧹 Chores
 
+- Upgrade `typescript` to 5.9.3, `@types/node` to 20.19.43, and `https-proxy-agent` to 7.0.6. ([#XXXX](https://github.com/expo/eas-cli/pull/XXXX) by [@wschurman](https://github.com/wschurman))
+
 ## [24.7.0](https://github.com/expo/eas-cli/releases/tag/v24.7.0) - 2026-09-16
 
 ### 🎉 New features

diff --git a/package.json b/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@types/jest": "29.5.11",
-    "@types/node": "20.14.8",
+    "@types/node": "20.19.43",
     "eslint-plugin-async-protect": "3.1.0",
     "jest": "29.7.0",
     "jest-watch-typeahead": "2.2.2",
@@ -33,7 +33,7 @@
     "oxlint-tsgolint": "0.11.1",
     "rimraf": "3.0.2",
     "ts-jest": "29.1.1",
-    "typescript": "5.5.4"
+    "typescript": "5.9.3"
   },
   "packageManager": "yarn@4.12.0"
 }
diff --git a/packages/build-tools/package.json b/packages/build-tools/package.json
@@ -88,7 +88,7 @@
     "@types/fs-extra": "^11.0.4",
     "@types/jest": "^29.5.12",
     "@types/lodash": "^4.17.4",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "@types/node-fetch": "^2.6.11",
     "@types/node-forge": "^1.3.11",
     "@types/plist": "^3.0.5",
@@ -104,7 +104,7 @@
     "ts-jest": "^29.1.4",
     "ts-mockito": "^2.6.1",
     "tslib": "^2.6.3",
-    "typescript": "^5.5.4",
+    "typescript": "^5.9.3",
     "uuid": "^9.0.1"
   }
 }
diff --git a/packages/create-eas-build-function/package.json b/packages/create-eas-build-function/package.json
@@ -41,7 +41,7 @@
     "@expo/package-manager": "1.9.10",
     "@jest/globals": "^29.7.0",
     "@types/jest": "^29.5.12",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "@types/prompts": "^2.4.9",
     "@vercel/ncc": "^0.38.1",
     "arg": "^5.0.2",
@@ -52,7 +52,7 @@
     "prompts": "^2.4.2",
     "rimraf": "3.0.2",
     "ts-node": "^10.9.2",
-    "typescript": "^5.5.4",
+    "typescript": "^5.9.3",
     "update-check": "^1.5.4"
   }
 }
diff --git a/packages/create-eas-build-function/templates/typescript/package.json b/packages/create-eas-build-function/templates/typescript/package.json
@@ -11,8 +11,8 @@
   },
   "devDependencies": {
     "@expo/steps": "^1.0.119",
-    "@types/node": "20.14.11",
+    "@types/node": "20.19.43",
     "@vercel/ncc": "^0.38.1",
-    "typescript": "^5.5.3"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/downloader/package.json b/packages/downloader/package.json
@@ -31,10 +31,10 @@
   "devDependencies": {
     "@types/fs-extra": "^11.0.4",
     "@types/jest": "^29.5.12",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/eas-build-cache-provider/package.json b/packages/eas-build-cache-provider/package.json
@@ -51,7 +51,7 @@
     "jest": "29.7.0",
     "memfs": "3.4.13",
     "rimraf": "3.0.2",
-    "typescript": "5.5.4"
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">=20.0.0"

diff --git a/packages/eas-build-job/package.json b/packages/eas-build-job/package.json
@@ -34,10 +34,10 @@
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/eas-cli/package.json b/packages/eas-cli/package.json
@@ -95,7 +95,7 @@
     "gradle-to-js": "2.0.1",
     "graphql": "16.8.1",
     "graphql-tag": "2.12.6",
-    "https-proxy-agent": "5.0.1",
+    "https-proxy-agent": "7.0.6",
     "ignore": "5.3.0",
     "indent-string": "4.0.0",
     "invariant": "^2.2.2",
@@ -152,6 +152,7 @@
     "@types/getenv": "^1.0.0",
     "@types/invariant": "^2.2.37",
     "@types/mime": "3.0.1",
+    "@types/node": "20.19.43",
     "@types/node-fetch": "2.6.12",
     "@types/node-forge": "1.3.1",
     "@types/pngjs": "6.0.4",
@@ -172,7 +173,7 @@
     "rimraf": "3.0.2",
     "ts-mockito": "2.6.1",
     "ts-node": "10.9.2",
-    "typescript": "5.5.4"
+    "typescript": "5.9.3"
   },
   "oclif": {
     "additionalHelpFlags": [

diff --git a/packages/eas-cli/src/build/createContext.ts b/packages/eas-cli/src/build/createContext.ts
@@ -87,8 +87,7 @@ export async function createBuildContextAsync<T extends Platform>({
     buildProfile.developmentClient ??
     (platform === Platform.ANDROID
       ? (buildProfile as BuildProfile<Platform.ANDROID>)?.gradleCommand === ':app:assembleDebug'
-      : (buildProfile as BuildProfile<Platform.IOS>)?.buildConfiguration === 'Debug') ??
-    false;
+      : (buildProfile as BuildProfile<Platform.IOS>)?.buildConfiguration === 'Debug');
 
   const requiredPackageManager = resolvePackageManager(projectDir);
 

diff --git a/packages/eas-cli/src/fetch.ts b/packages/eas-cli/src/fetch.ts
@@ -1,5 +1,5 @@
 import { Agent } from 'https';
-import createHttpsProxyAgent from 'https-proxy-agent';
+import { HttpsProxyAgent } from 'https-proxy-agent';
 import fetch, { RequestInfo, RequestInit, Response } from 'node-fetch';
 
 export { Headers, RequestInfo, RequestInit, Response } from 'node-fetch';
@@ -18,7 +18,7 @@ function createHttpsAgent(): Agent | null {
   if (!httpsProxyUrl) {
     return null;
   }
-  return createHttpsProxyAgent(httpsProxyUrl);
+  return new HttpsProxyAgent(httpsProxyUrl);
 }
 
 export const httpsProxyAgent: Agent | null = createHttpsAgent();

diff --git a/packages/eas-cli/src/uploads.ts b/packages/eas-cli/src/uploads.ts
@@ -170,7 +170,7 @@ async function uploadWithSignedUrlWithProgressAsync(
   });
 
   let currentSize = 0;
-  readStream.addListener('data', (chunk: Buffer) => {
+  readStream.addListener('data', (chunk: Buffer | string) => {
     currentSize += Buffer.byteLength(chunk);
     handleProgressEvent({
       progress: {

diff --git a/packages/eas-cli/src/worker/upload.ts b/packages/eas-cli/src/worker/upload.ts
@@ -1,6 +1,6 @@
 import cliProgress from 'cli-progress';
 import * as https from 'https';
-import createHttpsProxyAgent from 'https-proxy-agent';
+import { HttpsProxyAgent } from 'https-proxy-agent';
 import fetch, { BodyInit, Headers, HeadersInit, RequestInit, Response } from 'node-fetch';
 import fs from 'node:fs';
 import os from 'node:os';
@@ -119,7 +119,7 @@ const getAgent = (): https.Agent => {
   if (sharedAgent) {
     return sharedAgent;
   } else if (process.env.https_proxy) {
-    return (sharedAgent = createHttpsProxyAgent(process.env.https_proxy));
+    return (sharedAgent = new HttpsProxyAgent(process.env.https_proxy));
   } else {
     return (sharedAgent = new https.Agent({
       keepAlive: true,

diff --git a/packages/eas-json/package.json b/packages/eas-json/package.json
@@ -50,7 +50,7 @@
     "jest": "29.7.0",
     "memfs": "3.4.13",
     "rimraf": "3.0.2",
-    "typescript": "5.5.4"
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">=20.0.0"

diff --git a/packages/local-build-plugin/package.json b/packages/local-build-plugin/package.json
@@ -51,7 +51,7 @@
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   },
   "engines": {
     "node": ">=18"

diff --git a/packages/logger/package.json b/packages/logger/package.json
@@ -30,10 +30,10 @@
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/steps/package.json b/packages/steps/package.json
@@ -44,15 +44,15 @@
     "@jest/globals": "^29.7.0",
     "@types/jest": "^29.5.12",
     "@types/lodash.clonedeep": "^4.5.9",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "bunyan": "^1.8.15",
     "eslint-plugin-async-protect": "^3.1.0",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
     "ts-mockito": "^2.6.1",
     "ts-node": "^10.9.2",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   },
   "engines": {
     "node": ">=18"

diff --git a/packages/template-file/package.json b/packages/template-file/package.json
@@ -31,10 +31,10 @@
     "@types/jest": "^29.5.12",
     "@types/lodash": "^4.17.4",
     "@types/lodash.template": "^4.5.3",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/turtle-spawn/package.json b/packages/turtle-spawn/package.json
@@ -30,10 +30,10 @@
   },
   "devDependencies": {
     "@types/jest": "^29.5.12",
-    "@types/node": "20.14.2",
+    "@types/node": "20.19.43",
     "jest": "^29.7.0",
     "rimraf": "3.0.2",
     "ts-jest": "^29.1.4",
-    "typescript": "^5.5.4"
+    "typescript": "^5.9.3"
   }
 }
diff --git a/packages/worker/package.json b/packages/worker/package.json
@@ -59,7 +59,7 @@
     "@types/koa-router": "7.4.9",
     "@types/lodash": "4.17.4",
     "@types/micromatch": "4.0.7",
-    "@types/node": "20.14.8",
+    "@types/node": "20.19.43",
     "@types/node-fetch": "2.6.7",
     "@types/node-os-utils": "1.3.0",
     "@types/semver": "7.5.8",
@@ -72,7 +72,7 @@
     "rimraf": "3.0.2",
     "supertest": "7.2.2",
     "ts-jest": "29.1.4",
-    "typescript": "5.5.4"
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">=20.0.0"

diff --git a/scripts/package.json b/scripts/package.json
@@ -27,10 +27,10 @@
     "@types/dateformat": "3.0.1",
     "@types/fs-extra": "11.0.4",
     "@types/lodash-es": "4.17.12",
-    "@types/node": "20.11.0",
+    "@types/node": "20.19.43",
     "@types/semver": "7.5.6",
     "ts-node": "10.9.2",
-    "typescript": "5.3.3"
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">=20.0.0"

diff --git a/scripts/src/markdown.ts b/scripts/src/markdown.ts
@@ -290,7 +290,7 @@ export class MarkdownRenderer implements Renderer {
     const lines = token.text.split(EOL);
     const indentStr = this.indent(ctx?.indent);
 
-    lines.unshift('```' + token.lang ?? '');
+    lines.unshift('```' + (token.lang ?? ''));
     lines.push('```');
 
     return indentStr + lines.join(EOL + indentStr);

diff --git a/scripts/yarn.lock b/scripts/yarn.lock