diff --git a/fern/package.json b/fern/package.json
index faf0b3d..1be99a1 100644
--- a/fern/package.json
+++ b/fern/package.json
@@ -8,6 +8,6 @@
   "devDependencies": {
     "fern-api": "4.46.0",
     "@types/node": "25.5.0",
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   }
 }
diff --git a/heyapi/package.json b/heyapi/package.json
index bc6dcf4..2351c7e 100644
--- a/heyapi/package.json
+++ b/heyapi/package.json
@@ -6,6 +6,6 @@
   },
   "devDependencies": {
     "@hey-api/openapi-ts": "0.92.4",
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index 20a6f2f..8f3c176 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,20 +12,20 @@
       ],
       "devDependencies": {
         "prettier": "3.8.1",
-        "typescript": "5.9.3"
+        "typescript": "6.0.2"
       }
     },
     "fern": {
       "devDependencies": {
         "@types/node": "25.5.0",
-        "fern-api": "^4.46.0",
-        "typescript": "5.9.3"
+        "fern-api": "4.46.0",
+        "typescript": "6.0.2"
       }
     },
     "heyapi": {
       "devDependencies": {
         "@hey-api/openapi-ts": "0.92.4",
-        "typescript": "5.9.3"
+        "typescript": "6.0.2"
       }
     },
     "kiota": {
@@ -3582,9 +3582,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.9.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz",
-      "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-6.0.2.tgz",
+      "integrity": "sha512-bGdAIrZ0wiGDo5l8c++HWtbaNCWTS4UTv7RaTH/ThVIgjkveJt83m74bBHMJkuCbslY8ixgLBVZJIOiQlQTjfQ==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
diff --git a/package.json b/package.json
index 173554d..7c81273 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,6 @@
   ],
   "devDependencies": {
     "prettier": "3.8.1",
-    "typescript": "5.9.3"
+    "typescript": "6.0.2"
   }
 }