diff --git a/docs/code/interfaces/types_indexer.MultisigTransactionSubSignature.md b/docs/code/interfaces/types_indexer.MultisigTransactionSubSignature.md
index 0db71c2f..7f907ade 100644
--- a/docs/code/interfaces/types_indexer.MultisigTransactionSubSignature.md
+++ b/docs/code/interfaces/types_indexer.MultisigTransactionSubSignature.md
@@ -31,7 +31,7 @@ ___
 
 ### signature
 
-• **signature**: `string`
+• `Optional` **signature**: `string`
 
 [s] The signature
 
diff --git a/src/types/indexer.ts b/src/types/indexer.ts
index 2fb3a20d..42ec8b7a 100644
--- a/src/types/indexer.ts
+++ b/src/types/indexer.ts
@@ -428,7 +428,7 @@ export interface MultisigTransactionSubSignature {
    *
    * *Pattern:* `"^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==\|[A-Za-z0-9+/]{3}=)?$"`
    */
-  signature: string
+  signature?: string
 }
 
 /** Represents a TEAL value delta. https://developer.algorand.org/docs/rest-apis/indexer/#evaldelta */