diff --git a/packages/core/src/agent/AgentConfig.ts b/packages/core/src/agent/AgentConfig.ts
index c654ef3eb0..971bff8d6d 100644
--- a/packages/core/src/agent/AgentConfig.ts
+++ b/packages/core/src/agent/AgentConfig.ts
@@ -62,7 +62,7 @@ export class AgentConfig {
   }
 
   public get didCommMimeType() {
-    return this.initConfig.didCommMimeType ?? DidCommMimeType.V0
+    return this.initConfig.didCommMimeType ?? DidCommMimeType.V1
   }
 
   /**