diff --git a/package.json b/package.json
index aa0c3ee7a94..019b2fd29c1 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "mocha": "11.7.5",
     "nyc": "18.0.0",
     "semver": "^7.7.2",
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   },
   "workspaces": [
     "packages/playground",
diff --git a/tests/gentype_tests/stdlib-no-shims/package.json b/tests/gentype_tests/stdlib-no-shims/package.json
index fe8642afcfc..0d7b0d9b9ef 100644
--- a/tests/gentype_tests/stdlib-no-shims/package.json
+++ b/tests/gentype_tests/stdlib-no-shims/package.json
@@ -10,6 +10,6 @@
     "rescript": "workspace:^"
   },
   "devDependencies": {
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   }
 }
diff --git a/tests/gentype_tests/typescript-react-example/package.json b/tests/gentype_tests/typescript-react-example/package.json
index e2d7350cc07..e1c399c984e 100644
--- a/tests/gentype_tests/typescript-react-example/package.json
+++ b/tests/gentype_tests/typescript-react-example/package.json
@@ -16,6 +16,6 @@
   "devDependencies": {
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 022aa9c61f5..c49274b2212 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -751,7 +751,7 @@ __metadata:
     react: "npm:^18.3.1"
     react-dom: "npm:^18.3.1"
     rescript: "workspace:^"
-    typescript: "npm:5.9.3"
+    typescript: "npm:6.0.2"
   languageName: unknown
   linkType: soft
 
@@ -760,7 +760,7 @@ __metadata:
   resolution: "@tests/gentype-stdlib-no-shims@workspace:tests/gentype_tests/stdlib-no-shims"
   dependencies:
     rescript: "workspace:^"
-    typescript: "npm:5.9.3"
+    typescript: "npm:6.0.2"
   languageName: unknown
   linkType: soft
 
@@ -2443,7 +2443,7 @@ __metadata:
     mocha: "npm:11.7.5"
     nyc: "npm:18.0.0"
     semver: "npm:^7.7.2"
-    typescript: "npm:5.9.3"
+    typescript: "npm:6.0.2"
   dependenciesMeta:
     "@rescript/darwin-arm64":
       optional: true
@@ -2917,23 +2917,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"typescript@npm:5.9.3":
-  version: 5.9.3
-  resolution: "typescript@npm:5.9.3"
+"typescript@npm:6.0.2":
+  version: 6.0.2
+  resolution: "typescript@npm:6.0.2"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/6bd7552ce39f97e711db5aa048f6f9995b53f1c52f7d8667c1abdc1700c68a76a308f579cd309ce6b53646deb4e9a1be7c813a93baaf0a28ccd536a30270e1c5
+  checksum: 10c0/4b860b0bf87cc0fee0f66d8ef2640b5a8a8a8c74d1129adb82e389e5f97124383823c47946bef8a73ede371461143a3aa8544399d2133c7b2e4f07e81860af7f
   languageName: node
   linkType: hard
 
-"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=5786d5"
+"typescript@patch:typescript@npm%3A6.0.2#optional!builtin<compat/typescript>":
+  version: 6.0.2
+  resolution: "typescript@patch:typescript@npm%3A6.0.2#optional!builtin<compat/typescript>::version=6.0.2&hash=5786d5"
   bin:
     tsc: bin/tsc
     tsserver: bin/tsserver
-  checksum: 10c0/ad09fdf7a756814dce65bc60c1657b40d44451346858eea230e10f2e95a289d9183b6e32e5c11e95acc0ccc214b4f36289dcad4bf1886b0adb84d711d336a430
+  checksum: 10c0/49f0b84fc6ca55653e77752b8a61beabc09ee3dae5d965c31596225aa6ef213c5727b1d2e895b900416dc603854ba0872ac4a812c2a4ed6793a601f9c675de02
   languageName: node
   linkType: hard