1 files changed, 6 insertions, 0 deletions
diff --git a/op_crates/web/internal.d.ts b/op_crates/web/internal.d.ts
index 458f4a173..521563810 100644
--- a/op_crates/web/internal.d.ts
+++ b/op_crates/web/internal.d.ts
@@ -12,5 +12,11 @@ declare namespace globalThis {
     declare var location: {
       getLocationHref(): string | undefined;
     };
+
+    declare var base64: {
+      byteLength(b64: string): number;
+      toByteArray(b64: string): Uint8Array;
+      fromByteArray(uint8: Uint8Array): string;
+    };
   }
 }