diff --git a/package.json b/package.json
index f4e1fbc..cb0d23c 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@babel/preset-typescript": "^7.15.0",
     "@jest/test-result": "^29.1.0",
     "@tsconfig/node16": "^16.1.0",
-    "@tsd/typescript": "~5.6.0",
+    "@tsd/typescript": "~5.9.0",
     "@types/babel__code-frame": "^7.0.3",
     "@typescript-eslint/eslint-plugin": "^6.0.0",
     "@typescript-eslint/parser": "^6.0.0",
@@ -53,7 +53,7 @@
     "execa": "^5.1.1",
     "jest": "^29.1.0",
     "prettier": "^3.0.0",
-    "typescript": "~5.6.0"
+    "typescript": "~5.9.0"
   },
   "peerDependencies": {
     "@tsd/typescript": "4.x || 5.x"
diff --git a/yarn.lock b/yarn.lock
index 29e6b98..944e228 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1795,10 +1795,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@tsd/typescript@npm:~5.6.0":
-  version: 5.6.3
-  resolution: "@tsd/typescript@npm:5.6.3"
-  checksum: 38886642fc5a3f799c41698420589bf667961f2f758debe6b1f60b33670805e8774491b7da9b841ca1adce3759583f1d12f701d3235498823551f8f5dc38e6e2
+"@tsd/typescript@npm:~5.9.0":
+  version: 5.9.3
+  resolution: "@tsd/typescript@npm:5.9.3"
+  checksum: d1209e850cb36715b62305821f87877c11756cb0530d562f2d0c7f34feb34d6524c13d12f79f020c6bf69d8e3f5085deaef6657004937668c38f4986d82fa98f
   languageName: node
   linkType: hard
 
@@ -3787,7 +3787,7 @@ __metadata:
     "@babel/preset-typescript": ^7.15.0
     "@jest/test-result": ^29.1.0
     "@tsconfig/node16": ^16.1.0
-    "@tsd/typescript": ~5.6.0
+    "@tsd/typescript": ~5.9.0
     "@types/babel__code-frame": ^7.0.3
     "@typescript-eslint/eslint-plugin": ^6.0.0
     "@typescript-eslint/parser": ^6.0.0
@@ -3801,7 +3801,7 @@ __metadata:
     jest: ^29.1.0
     prettier: ^3.0.0
     tsd-lite: ^0.8.0
-    typescript: ~5.6.0
+    typescript: ~5.9.0
   peerDependencies:
     "@tsd/typescript": 4.x || 5.x
   languageName: unknown
@@ -5163,23 +5163,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:~5.6.0":
-  version: 5.6.3
-  resolution: "typescript@npm:5.6.3"
+"typescript@npm:~5.9.0":
+  version: 5.9.3
+  resolution: "typescript@npm:5.9.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: ba302f8822777ebefb28b554105f3e074466b671e7444ec6b75dadc008a62f46f373d9e57ceced1c433756d06c8b7dc569a7eefdf3a9573122a49205ff99021a
+  checksum: 0d0ffb84f2cd072c3e164c79a2e5a1a1f4f168e84cb2882ff8967b92afe1def6c2a91f6838fb58b168428f9458c57a2ba06a6737711fdd87a256bbe83e9a217f
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@~5.6.0#~builtin<compat/typescript>":
-  version: 5.6.3
-  resolution: "typescript@patch:typescript@npm%3A5.6.3#~builtin<compat/typescript>::version=5.6.3&hash=8c6c40"
+"typescript@patch:typescript@~5.9.0#~builtin<compat/typescript>":
+  version: 5.9.3
+  resolution: "typescript@patch:typescript@npm%3A5.9.3#~builtin<compat/typescript>::version=5.9.3&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: f6947c263dc67ea8429eefc3921683320f901a07d9ef29a1101a34f5b30108343b5a29aa77a581217a17f2616091ae7bd3043b304cf37f37d5e128e19296c08b
+  checksum: a5a6dc399d3761ded54192031f11d3ad5df8001c7febe3fbbc8098efcb552cdf8f2f402b3618c56dafcd04fef63dee005f4900f608e185404caedc46480539ed
   languageName: node
   linkType: hard