diff --git a/packages/i18n/package.json b/packages/i18n/package.json
index 656d459..7a969b3 100644
--- a/packages/i18n/package.json
+++ b/packages/i18n/package.json
@@ -35,6 +35,6 @@
     "@gecut/logger": "^1.4.1",
     "@gecut/signal": "^2.1.1",
     "@gecut/types": "^2.2.0",
-    "type-fest": "^4.13.0"
+    "type-fest": "^4.18.3"
   }
 }
diff --git a/packages/lit-helper/package.json b/packages/lit-helper/package.json
index 365773b..07e3773 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": "^4.18.3"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index eef0bff..740021a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -289,7 +289,7 @@ __metadata:
     "@gecut/logger": "npm:^1.4.1"
     "@gecut/signal": "npm:^2.1.1"
     "@gecut/types": "npm:^2.2.0"
-    type-fest: "npm:^4.13.0"
+    type-fest: "npm:^4.18.3"
   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:^4.18.3"
   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:^4.18.3":
+  version: 4.18.3
+  resolution: "type-fest@npm:4.18.3"
+  checksum: 10c0/5d51a679a86548e8c35008f09dc8f9f8fdb0fcc79c30d116c9e6c5459a450db28a7e6e6887e6a8a6a560d2cde3757347a5984c18b871de6e739a63991ce2d8d9
   languageName: node
   linkType: hard