diff --git a/package.json b/package.json
index 74581266..8f81fca5 100644
--- a/package.json
+++ b/package.json
@@ -273,7 +273,7 @@
     "tinyrainbow": "2.0.0",
     "trash-cli": "6.0.0",
     "ts-dedent": "2.2.0",
-    "typescript": "5.7.2",
+    "typescript": "5.9.3",
     "typescript-eslint": "8.24.1",
     "unified": "11.0.5",
     "vfile": "6.0.3",
diff --git a/yarn.lock b/yarn.lock
index fbc44ad7..d5169319 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1949,7 +1949,7 @@ __metadata:
     tinyrainbow: "npm:2.0.0"
     trash-cli: "npm:6.0.0"
     ts-dedent: "npm:2.2.0"
-    typescript: "npm:5.7.2"
+    typescript: "npm:5.9.3"
     typescript-eslint: "npm:8.24.1"
     unified: "npm:11.0.5"
     vfile: "npm:6.0.3"
@@ -11223,13 +11223,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.7.2":
-  version: 5.7.2
-  resolution: "typescript@npm:5.7.2"
+"typescript@npm:5.9.3":
+  version: 5.9.3
+  resolution: "typescript@npm:5.9.3"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10/4caa3904df69db9d4a8bedc31bafc1e19ffb7b24fbde2997a1633ae1398d0de5bdbf8daf602ccf3b23faddf1aeeb9b795223a2ed9c9a4fdcaf07bfde114a401a
+  checksum: 10/c089d9d3da2729fd4ac517f9b0e0485914c4b3c26f80dc0cffcb5de1719a17951e92425d55db59515c1a7ddab65808466debb864d0d56dcf43f27007d0709594
   languageName: node
   linkType: hard
 
@@ -11243,13 +11243,13 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@patch:typescript@npm%3A5.7.2#optional!builtin<compat/typescript>":
-  version: 5.7.2
-  resolution: "typescript@patch:typescript@npm%3A5.7.2#optional!builtin<compat/typescript>::version=5.7.2&hash=cef18b"
+"typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>":
+  version: 5.9.3
+  resolution: "typescript@patch:typescript@npm%3A5.9.3#optional!builtin<compat/typescript>::version=5.9.3&hash=cef18b"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10/ff27fc124bceb8969be722baa38af945b2505767cf794de3e2715e58f61b43780284060287d651fcbbdfb6f917f4653b20f4751991f17e0706db389b9bb3f75d
+  checksum: 10/5d416ad4f2ea564f515a3f919e901edbfa4b497cc17dd325c5726046c3eef7ed22d1f59c787267d478311f6f0a265ff790f8a6c7e9df3ea3471458f5ec81e8b7
   languageName: node
   linkType: hard