diff --git a/package.json b/package.json
index 1639edd..a36ed1f 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
         "rimraf": "^5.0.0",
         "tar": "^6.1.2",
         "ts-node": "^10.9.1",
-        "typescript": "5.3.3"
+        "typescript": "5.4.2"
     },
     "hakDependencies": {
         "matrix-seshat": "^3.0.1",
diff --git a/yarn.lock b/yarn.lock
index 6baeee8..feea335 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6591,10 +6591,10 @@ typed-array-length@^1.0.4:
     for-each "^0.3.3"
     is-typed-array "^1.1.9"
 
-typescript@5.3.3:
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.3.3.tgz#b3ce6ba258e72e6305ba66f5c9b452aaee3ffe37"
-  integrity sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==
+typescript@5.4.2:
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.2.tgz#0ae9cebcfae970718474fe0da2c090cad6577372"
+  integrity sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==
 
 typescript@^4.0.2:
   version "4.9.5"