diff --git a/package.json b/package.json
index 3eec704..7c3a06d 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "markdown-it": "^13.0.1",
     "matrix-bot-sdk": "^0.6.2",
     "node-fetch": "^3.2.10",
-    "tsafe": "^1.0.1",
+    "tsafe": "^1.6.0",
     "typia": "^3.3.6"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 1c7e87c..e389147 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1524,10 +1524,10 @@ tough-cookie@^2.3.3, tough-cookie@~2.5.0:
     psl "^1.1.28"
     punycode "^2.1.1"
 
-tsafe@^1.0.1:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/tsafe/-/tsafe-1.4.3.tgz#a98ce83616f0d9c01e3c6167a2ead45ba455b2ae"
-  integrity sha512-KjCdgjIqsbKW9oeJGSMVC23jhWm/VXJwkaZ7jffo/WaTioLGTHJqliHe9dECEVzIACNVNs/fwtKwU8wWK4jY4g==
+tsafe@^1.6.0:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/tsafe/-/tsafe-1.6.4.tgz#048a114761714538c72f16abd25bb247d4e3780e"
+  integrity sha512-l4Z54QFGHO8GF0gBpb3yPGHjkIkIirl8rwW+lMBmtEMzOJeRs8BdjkDEx6nU8Ak9PQVp/KNDtECxTja8MMIDoA==
 
 tslib@^1.9.3:
   version "1.14.1"