diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8e491bc..84a272d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,6 +55,7 @@ TEST_TRANSCRIPT_IDS=...
 ## Generate types from OpenAPI and AsyncAPI spec
 
 1. Configure the location of the OpenAPI and AsyncAPI spec as environment variables:
+
    - `OPENAPI_SPEC`: Path or URL to the AssemblyAI OpenAPI spec
    - `ASYNCAPI_SPEC`: Path or URL to the AssemblyAI AsyncAPI spec
 
diff --git a/package.json b/package.json
index 6ba4283..2569891 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.22.0",
+  "version": "4.22.1",
   "description": "The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.",
   "engines": {
     "node": ">=18"
diff --git a/src/types/openapi.generated.ts b/src/types/openapi.generated.ts
index 3843230..0c75077 100644
--- a/src/types/openapi.generated.ts
+++ b/src/types/openapi.generated.ts
@@ -1704,6 +1704,10 @@ export type LanguageDetectionOptions = {
    * Controls behavior when language confidence is below threshold. Either "error" (default) or "fallback".
    */
   on_low_language_confidence?: string | null;
+  /**
+   * If True, route German language requests as Swiss German audio. Only applies when language_detection is enabled and German is detected.
+   */
+  swiss_german?: boolean | null;
 };
 
 /**
@@ -2961,6 +2965,7 @@ export type TranscriptLanguageCode =
   | "es"
   | "fr"
   | "de"
+  | "de_ch"
   | "it"
   | "pt"
   | "nl"