diff --git a/packages/i18n/package.json b/packages/i18n/package.json
index d3d2ad4..8a7551e 100644
--- a/packages/i18n/package.json
+++ b/packages/i18n/package.json
@@ -35,6 +35,6 @@
     "@gecut/logger": "^1.3.1-alpha.0",
     "@gecut/signal": "^2.0.1-alpha.0",
     "@gecut/types": "^2.1.1-alpha.0",
-    "type-fest": "^4.13.0"
+    "type-fest": "^4.18.2"
   }
 }
diff --git a/packages/lit-helper/package.json b/packages/lit-helper/package.json
index cab56cb..35c2cc1 100644
--- a/packages/lit-helper/package.json
+++ b/packages/lit-helper/package.json
@@ -47,6 +47,6 @@
     "lit": "^3.1.3",
     "lit-html": "^3.1.2",
     "tslib": "^2.6.2",
-    "type-fest": "^4.13.0"
+    "type-fest": "^4.18.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 2400a04..4a7a908 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -289,7 +289,7 @@ __metadata:
     "@gecut/logger": "npm:^1.3.1-alpha.0"
     "@gecut/signal": "npm:^2.0.1-alpha.0"
     "@gecut/types": "npm:^2.1.1-alpha.0"
-    type-fest: "npm:^4.13.0"
+    type-fest: "npm:^4.18.2"
   languageName: unknown
   linkType: soft
 
@@ -308,7 +308,7 @@ __metadata:
     lit: "npm:^3.1.3"
     lit-html: "npm:^3.1.2"
     tslib: "npm:^2.6.2"
-    type-fest: "npm:^4.13.0"
+    type-fest: "npm:^4.18.2"
   languageName: unknown
   linkType: soft
 
@@ -6762,10 +6762,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"type-fest@npm:^4.13.0":
-  version: 4.13.0
-  resolution: "type-fest@npm:4.13.0"
-  checksum: 10c0/9259549d37dec14ac0f759af42fb6305f08ba46f74bf066caec6b925a674c0021e3921586d41ce0c60d5e1721348d0ff86fff5f9fb5fa12176dd5f2572822c51
+"type-fest@npm:^4.18.2":
+  version: 4.18.2
+  resolution: "type-fest@npm:4.18.2"
+  checksum: 10c0/5e669128bf7cbc9f9cea4e4862c974517a1d9f77652589c2ac0908a8be5d852d4e52593ed14f4d8a44a604fb5e8a8ec1b658e461acd8bb7592f5e5265a04cbab
   languageName: node
   linkType: hard