diff --git a/package-lock.json b/package-lock.json
index 3fce72e..65fe773 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "name": "doc-detective-docs",
       "version": "1.0.0-beta",
       "dependencies": {
-        "fern-api": "^3.65.1"
+        "fern-api": "^3.91.5"
       },
       "engines": {
         "node": "^22.12.0 || ^24.11.1",
@@ -188,9 +188,9 @@
       "license": "MIT"
     },
     "node_modules/fern-api": {
-      "version": "3.65.1",
-      "resolved": "https://registry.npmjs.org/fern-api/-/fern-api-3.65.1.tgz",
-      "integrity": "sha512-mOhT3lr0vuPJW/g0MVKNX6slfiAvpAPAN+IX3lcC52LJRCfN/g5I/7HPXhxqi2mqi36w7vecyxQCXyGulTAVJA==",
+      "version": "3.91.5",
+      "resolved": "https://registry.npmjs.org/fern-api/-/fern-api-3.91.5.tgz",
+      "integrity": "sha512-oRO5Szl6QtJp7pU3zhB5QXJ/VnyYEVHUnW+XjngSP2KAlV8FHiqU4Im5x2YNcFLwR/SzpRzjrG4H/mydXwG/5w==",
       "dependencies": {
         "@boundaryml/baml": "^0.211.2",
         "cli-progress": "^3.12.0"
diff --git a/package.json b/package.json
index 33ed8df..3d16aa9 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,6 @@
     "pnpm": "^10.24.0"
   },
   "dependencies": {
-    "fern-api": "^3.65.1"
+    "fern-api": "^3.91.5"
   }
 }