diff --git a/src/types/ImageGetParams.ts b/src/types/ImageGetParams.ts
index 1a7daf8..5dab275 100644
--- a/src/types/ImageGetParams.ts
+++ b/src/types/ImageGetParams.ts
@@ -1,6 +1,3 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
-export type ImageGetParams = {
-  file_type: string | null;
-  max_size: number | null;
-};
+export type ImageGetParams = { file_type?: string; max_size?: number };
diff --git a/src/types/ImageProxyParams.ts b/src/types/ImageProxyParams.ts
index 22d0737..1d74299 100644
--- a/src/types/ImageProxyParams.ts
+++ b/src/types/ImageProxyParams.ts
@@ -2,6 +2,6 @@
 
 export type ImageProxyParams = {
   url: string;
-  file_type: string | null;
-  max_size: number | null;
+  file_type?: string;
+  max_size?: number;
 };