diff --git a/package.json b/package.json
index 49da1a1..b2f1256 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "mocha": "^9.0.1",
     "ts-mocha": "^9.0.2",
     "tslint": "^6.1.3",
-    "typescript": "^4.3.5",
+    "typescript": "^4.8.4",
     "typescript-formatter": "^7.2"
   },
   "dependencies": {
diff --git a/src/appservice/Api.ts b/src/appservice/Api.ts
index 420cdb1..ee9ce6c 100644
--- a/src/appservice/Api.ts
+++ b/src/appservice/Api.ts
@@ -1,5 +1,5 @@
-import * as request from "request";
-import * as express from "express";
+import request from "request";
+import express from "express";
 import * as bodyParser from "body-parser";
 import { MjolnirAppService } from "./AppService";
 
diff --git a/src/webapis/WebAPIs.ts b/src/webapis/WebAPIs.ts
index e8fae70..3b22e65 100644
--- a/src/webapis/WebAPIs.ts
+++ b/src/webapis/WebAPIs.ts
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import { Server } from "http";
-import * as express from "express";
+import express from "express";
 import { LogService, MatrixClient } from "matrix-bot-sdk";
 import RuleServer from "../models/RuleServer";
 import { ReportManager } from "../report/ReportManager";
diff --git a/test/commands/UnbanBanCommandTest.ts b/test/commands/UnbanBanCommandTest.ts
index f19c897..7a3f1c3 100644
--- a/test/commands/UnbanBanCommandTest.ts
+++ b/test/commands/UnbanBanCommandTest.ts
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import * as expect from "expect";
+import expect from "expect";
 import { Mjolnir } from "../../src/Mjolnir";
 import { DEFAULT_LIST_EVENT_TYPE } from "../../src/commands/SetDefaultBanListCommand";
 import { parseArguments } from "../../src/commands/UnbanBanCommand";
diff --git a/tsconfig.json b/tsconfig.json
index 89ff648..86edea3 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
     "compilerOptions": {
         "alwaysStrict": true,
+        "esModuleInterop": true,
         "experimentalDecorators": true,
         "emitDecoratorMetadata": true,
         "module": "commonjs",
diff --git a/yarn.lock b/yarn.lock
index b5074b2..03b9b84 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3484,10 +3484,10 @@ typescript-formatter@^7.2:
     commandpost "^1.0.0"
     editorconfig "^0.15.0"
 
-typescript@^4.3.5:
-  version "4.4.3"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.4.3.tgz"
-  integrity sha512-4xfscpisVgqqDfPaJo5vkd+Qd/ItkoagnHpufr+i2QCHBsNYp+G7UAoyFl8aPtx879u38wPV65rZ8qbGZijalA==
+typescript@^4.8.4:
+  version "4.8.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
+  integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==
 
 underscore@~1.4.4:
   version "1.4.4"