diff --git a/lib/helpers.ts b/lib/helpers.ts
index e0d98b2..642971a 100644
--- a/lib/helpers.ts
+++ b/lib/helpers.ts
@@ -63,6 +63,7 @@ export async function convertPlistToJson(plistInput: string): Promise<any> {
     plutilProcess.kill(9);
     throw new Error(
       `Failed to convert plist to JSON: ${err instanceof Error ? err.message : String(err)}`,
+      {cause: err},
     );
   } finally {
     plutilProcess.removeAllListeners();
diff --git a/lib/logger.ts b/lib/logger.ts
index 3436974..905394a 100644
--- a/lib/logger.ts
+++ b/lib/logger.ts
@@ -2,12 +2,4 @@ import appiumLogger from '@appium/logger';
 
 export const LOG_PREFIX = 'simctl';
 
-function getLogger() {
-  const logger = global._global_npmlog || appiumLogger;
-  if (!logger.debug) {
-    logger.addLevel('debug', 1000, {fg: 'blue', bg: 'black'}, 'dbug');
-  }
-  return logger;
-}
-
-export const log = getLogger();
+export const log = appiumLogger;
diff --git a/lib/subcommands/appinfo.ts b/lib/subcommands/appinfo.ts
index 8d23283..1024c06 100644
--- a/lib/subcommands/appinfo.ts
+++ b/lib/subcommands/appinfo.ts
@@ -26,6 +26,7 @@ export async function appInfo(this: Simctl, bundleId: string): Promise<AppInfo>
     } catch (err) {
       throw new Error(
         `Cannot retrieve app info for ${bundleId}: ${err instanceof Error ? err.message : String(err)}`,
+        {cause: err},
       );
     }
   }
diff --git a/lib/subcommands/bootstatus.ts b/lib/subcommands/bootstatus.ts
index 0958930..bff1435 100644
--- a/lib/subcommands/bootstatus.ts
+++ b/lib/subcommands/bootstatus.ts
@@ -1,4 +1,4 @@
-import {log} from '../logger';
+import {log, LOG_PREFIX} from '../logger';
 import {waitForCondition} from 'asyncbox';
 import type {Simctl} from '../simctl';
 import type {BootMonitorOptions} from '../types';
@@ -79,7 +79,7 @@ export async function startBootMonitor(
       try {
         await bootMonitor.stop();
       } catch (e: any) {
-        log.warn(e.message);
+        log.warn(LOG_PREFIX, e.message);
       }
     }
   };
diff --git a/lib/subcommands/create.ts b/lib/subcommands/create.ts
index a89b8ba..e828a60 100644
--- a/lib/subcommands/create.ts
+++ b/lib/subcommands/create.ts
@@ -42,7 +42,7 @@ export async function createDevice(
     try {
       runtimeId = await this.getRuntimeForPlatformVersion(platformVersion, platform);
     } catch {
-      log.warn(`Unable to find runtime for iOS '${platformVersion}'. Continuing`);
+      log.warn(LOG_PREFIX, `Unable to find runtime for iOS '${platformVersion}'. Continuing`);
       runtimeId = platformVersion;
     }
 
diff --git a/lib/subcommands/list.ts b/lib/subcommands/list.ts
index 7ea9ed3..baeb6cb 100644
--- a/lib/subcommands/list.ts
+++ b/lib/subcommands/list.ts
@@ -268,7 +268,7 @@ export async function getDeviceTypes(this: Simctl): Promise<string[]> {
     const deviceTypes = JSON.parse(stdout.trim());
     return deviceTypes.devicetypes.map((type: any) => type.name);
   } catch (err: any) {
-    throw new Error(`Unable to get list of device types: ${err.message}`);
+    throw new Error(`Unable to get list of device types: ${err.message}`, {cause: err});
   }
 }
 
@@ -313,7 +313,7 @@ export async function list(this: Simctl): Promise<any> {
   try {
     return JSON.parse(stdout.trim());
   } catch (e: any) {
-    throw new Error(`Unable to parse simctl list: ${e.message}`);
+    throw new Error(`Unable to parse simctl list: ${e.message}`, {cause: e});
   }
 }
 
diff --git a/package.json b/package.json
index c487e61..39d6365 100644
--- a/package.json
+++ b/package.json
@@ -62,8 +62,13 @@
     "@appium/types": "^1.0.0-rc.1",
     "@semantic-release/changelog": "^6.0.1",
     "@semantic-release/git": "^10.0.1",
+    "@types/chai": "^5.2.3",
+    "@types/chai-as-promised": "^8.0.2",
     "@types/mocha": "^10.0.1",
     "@types/node": "^25.0.0",
+    "@types/semver": "^7.7.1",
+    "@types/sinon": "^21.0.1",
+    "@types/which": "^3.0.4",
     "appium-xcode": "^6.0.0",
     "chai": "^6.0.0",
     "chai-as-promised": "^8.0.0",
diff --git a/test/e2e/simctl-e2e-specs.ts b/test/e2e/simctl-e2e-specs.ts
index aec17bf..9455fad 100644
--- a/test/e2e/simctl-e2e-specs.ts
+++ b/test/e2e/simctl-e2e-specs.ts
@@ -277,12 +277,15 @@ describe('simctl', function () {
         expect(fullList.devicetypes.length).to.be.above(1);
         // at least one type, no matter the version of Xcode, should be an iPhone
         expect(
-          fullList.devicetypes.filter((el) => el.identifier.includes('iPhone')).length,
+          fullList.devicetypes.filter((el: {identifier: string}) =>
+            el.identifier.includes('iPhone'),
+          ).length,
         ).to.be.above(0);
         // at least one runtime should be iOS
-        expect(fullList.runtimes.filter((el) => el.identifier.includes('iOS')).length).to.be.above(
-          0,
-        );
+        expect(
+          fullList.runtimes.filter((el: {identifier: string}) => el.identifier.includes('iOS'))
+            .length,
+        ).to.be.above(0);
       });
     });
 
diff --git a/tsconfig.json b/tsconfig.json
index 56f8c27..1e5a50e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,7 +4,8 @@
   "compilerOptions": {
     "esModuleInterop": true,
     "outDir": "build",
-    "types": ["node", "mocha"]
+    "types": ["node", "mocha"],
+    "strict": true
   },
   "ts-node": {
     "transpileOnly": true,