diff --git a/package.json b/package.json
index 33b97e2..0f18d30 100644
--- a/package.json
+++ b/package.json
@@ -138,7 +138,7 @@
     "to-vfile": "8.0.0",
     "trash-cli": "6.0.0",
     "ts-dedent": "2.2.0",
-    "typescript": "5.5.3",
+    "typescript": "5.6.3",
     "typescript-eslint": "8.12.2",
     "vitest": "2.1.3",
     "yaml-eslint-parser": "1.2.3"
diff --git a/yarn.lock b/yarn.lock
index 4180424..c76a3c0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1993,7 +1993,7 @@ __metadata:
     to-vfile: "npm:8.0.0"
     trash-cli: "npm:6.0.0"
     ts-dedent: "npm:2.2.0"
-    typescript: "npm:5.5.3"
+    typescript: "npm:5.6.3"
     typescript-eslint: "npm:8.12.2"
     vfile: "npm:6.0.3"
     vitest: "npm:2.1.3"
@@ -10102,16 +10102,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.5.3":
-  version: 5.5.3
-  resolution: "typescript@npm:5.5.3"
-  bin:
-    tsc: bin/tsc
-    tsserver: bin/tsserver
-  checksum: 10/11a867312419ed497929aafd2f1d28b2cd41810a5eb6c6e9e169559112e9ea073d681c121a29102e67cd4478d0a4ae37a306a5800f3717f59c4337e6a9bd5e8d
-  languageName: node
-  linkType: hard
-
 "typescript@npm:5.6.1-rc":
   version: 5.6.1-rc
   resolution: "typescript@npm:5.6.1-rc"
@@ -10122,13 +10112,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A5.5.3#optional!builtin<compat/typescript>":
-  version: 5.5.3
-  resolution: "typescript@patch:typescript@npm%3A5.5.3#optional!builtin<compat/typescript>::version=5.5.3&hash=b45daf"
+"typescript@npm:5.6.3":
+  version: 5.6.3
+  resolution: "typescript@npm:5.6.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10/b61b8bb4b4d6a8a00f9d5f931f8c67070eed6ad11feabf4c41744a326987080bfc806a621596c70fbf2e5974eca3ed65bafeeeb22a078071bdfb51d8abd7c013
+  checksum: 10/c328e418e124b500908781d9f7b9b93cf08b66bf5936d94332b463822eea2f4e62973bfb3b8a745fdc038785cb66cf59d1092bac3ec2ac6a3e5854687f7833f1
   languageName: node
   linkType: hard
 
@@ -10142,6 +10132,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"typescript@patch:typescript@npm%3A5.6.3#optional!builtin<compat/typescript>":
+  version: 5.6.3
+  resolution: "typescript@patch:typescript@npm%3A5.6.3#optional!builtin<compat/typescript>::version=5.6.3&hash=b45daf"
+  bin:
+    tsc: bin/tsc
+    tsserver: bin/tsserver
+  checksum: 10/dc4bec403cd33a204b655b1152a096a08e7bad2c931cb59ef8ff26b6f2aa541bf98f09fc157958a60c921b1983a8dde9a85b692f9de60fa8f574fd131e3ae4dd
+  languageName: node
+  linkType: hard
+
 "uc.micro@npm:^2.0.0, uc.micro@npm:^2.1.0":
   version: 2.1.0
   resolution: "uc.micro@npm:2.1.0"