diff --git a/package-lock.json b/package-lock.json
index 77e8651..9c26abf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "ts-node": "^10.9.2",
         "tslint": "^6.1.3",
         "typedoc": "^0.25.12",
-        "typescript": "^5.3.3"
+        "typescript": "^5.4.3"
       },
       "engines": {
         "node": ">=16"
@@ -8053,9 +8053,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
+      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -14440,9 +14440,9 @@
       }
     },
     "typescript": {
-      "version": "5.3.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.3.3.tgz",
-      "integrity": "sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==",
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
+      "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
       "dev": true
     },
     "unbox-primitive": {
diff --git a/package.json b/package.json
index 07b97b7..f7873cd 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "ts-node": "^10.9.2",
     "tslint": "^6.1.3",
     "typedoc": "^0.25.12",
-    "typescript": "^5.3.3"
+    "typescript": "^5.4.3"
   },
   "prettier": "@relaycorp/shared-config/.prettierrc.json",
   "publishConfig": {