diff --git a/package-lock.json b/package-lock.json
index d7b59a1..49225e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "devDependencies": {
         "@seamapi/fake-seam-connect": "1.72.0",
         "@seamapi/nextlove-sdk-generator": "1.14.2",
-        "@seamapi/types": "1.235.1",
+        "@seamapi/types": "1.236.0",
         "del": "^7.1.0",
         "prettier": "^3.2.5"
       }
@@ -473,9 +473,9 @@
       }
     },
     "node_modules/@seamapi/types": {
-      "version": "1.235.1",
-      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.235.1.tgz",
-      "integrity": "sha512-LhX9GbJABzaEneWIyvLKL1RXGwA/mAzCxBPD0E32Dwsd19K85YJj/xxooeC4SmL166qCU1OdlPWt2Or92wc5xQ==",
+      "version": "1.236.0",
+      "resolved": "https://registry.npmjs.org/@seamapi/types/-/types-1.236.0.tgz",
+      "integrity": "sha512-eIuAa2q6E4Gp7Fvq4TqZSQpPWXgjW5+iyDwqWxO15CKtTck3X7ve/rBLUUMUd5G+2NQtBrSdEj92MQF+gKejVg==",
       "dev": true,
       "engines": {
         "node": ">=18.12.0",
diff --git a/package.json b/package.json
index 24b5f59..089feca 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@seamapi/fake-seam-connect": "1.72.0",
     "@seamapi/nextlove-sdk-generator": "1.14.2",
-    "@seamapi/types": "1.235.1",
+    "@seamapi/types": "1.236.0",
     "del": "^7.1.0",
     "prettier": "^3.2.5"
   }
diff --git a/seam/routes/access_codes.py b/seam/routes/access_codes.py
index 6daf4d2..87f81a0 100644
--- a/seam/routes/access_codes.py
+++ b/seam/routes/access_codes.py
@@ -35,6 +35,7 @@ def create(
         max_time_rounding: Optional[str] = None,
         name: Optional[str] = None,
         prefer_native_scheduling: Optional[bool] = None,
+        preferred_code_length: Optional[float] = None,
         starts_at: Optional[str] = None,
         sync: Optional[bool] = None,
         use_backup_access_code_pool: Optional[bool] = None,
@@ -68,6 +69,8 @@ def create(
             json_payload["name"] = name
         if prefer_native_scheduling is not None:
             json_payload["prefer_native_scheduling"] = prefer_native_scheduling
+        if preferred_code_length is not None:
+            json_payload["preferred_code_length"] = preferred_code_length
         if starts_at is not None:
             json_payload["starts_at"] = starts_at
         if sync is not None:
@@ -242,6 +245,7 @@ def update(
         max_time_rounding: Optional[str] = None,
         name: Optional[str] = None,
         prefer_native_scheduling: Optional[bool] = None,
+        preferred_code_length: Optional[float] = None,
         starts_at: Optional[str] = None,
         sync: Optional[bool] = None,
         type: Optional[str] = None,
@@ -278,6 +282,8 @@ def update(
             json_payload["name"] = name
         if prefer_native_scheduling is not None:
             json_payload["prefer_native_scheduling"] = prefer_native_scheduling
+        if preferred_code_length is not None:
+            json_payload["preferred_code_length"] = preferred_code_length
         if starts_at is not None:
             json_payload["starts_at"] = starts_at
         if sync is not None:
diff --git a/seam/routes/models.py b/seam/routes/models.py
index 4304ea7..166fb10 100644
--- a/seam/routes/models.py
+++ b/seam/routes/models.py
@@ -1994,6 +1994,7 @@ def create(
         max_time_rounding: Optional[str] = None,
         name: Optional[str] = None,
         prefer_native_scheduling: Optional[bool] = None,
+        preferred_code_length: Optional[float] = None,
         starts_at: Optional[str] = None,
         sync: Optional[bool] = None,
         use_backup_access_code_pool: Optional[bool] = None,
@@ -2079,6 +2080,7 @@ def update(
         max_time_rounding: Optional[str] = None,
         name: Optional[str] = None,
         prefer_native_scheduling: Optional[bool] = None,
+        preferred_code_length: Optional[float] = None,
         starts_at: Optional[str] = None,
         sync: Optional[bool] = None,
         type: Optional[str] = None,