diff --git a/src/SupabaseClient.ts b/src/SupabaseClient.ts
index 0c64cc2bf..fbb3bb8ce 100644
--- a/src/SupabaseClient.ts
+++ b/src/SupabaseClient.ts
@@ -252,6 +252,7 @@ export default class SupabaseClient<
       storage,
       storageKey,
       flowType,
+      debug,
     }: SupabaseAuthClientOptions,
     headers?: Record<string, string>,
     fetch?: Fetch
@@ -269,6 +270,7 @@ export default class SupabaseClient<
       detectSessionInUrl,
       storage,
       flowType,
+      debug,
       fetch,
     })
   }
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 6787226c6..d6c4047f2 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -40,6 +40,10 @@ export type SupabaseClientOptions<SchemaName> = {
      * OAuth flow to use - defaults to implicit flow. PKCE is recommended for mobile and server-side applications.
      */
     flowType?: SupabaseAuthClientOptions['flowType']
+    /**
+     * If debug messages for authentication client are emitted. Can be used to inspect the behavior of the library.
+     */ 
+    debug?: boolean
   }
   /**
    * Options passed to the realtime-js instance