diff --git a/src/libs/agent-runtime/utils/anthropicHelpers.ts b/src/libs/agent-runtime/utils/anthropicHelpers.ts
index 41f8f5abaa94..160dbf7cccc2 100644
--- a/src/libs/agent-runtime/utils/anthropicHelpers.ts
+++ b/src/libs/agent-runtime/utils/anthropicHelpers.ts
@@ -1,3 +1,4 @@
+import '@anthropic-ai/sdk/shims/web';
 import Anthropic from '@anthropic-ai/sdk';
 import OpenAI from 'openai';
 
diff --git a/src/libs/agent-runtime/utils/streams/anthropic.ts b/src/libs/agent-runtime/utils/streams/anthropic.ts
index ebdeea557269..349650adc622 100644
--- a/src/libs/agent-runtime/utils/streams/anthropic.ts
+++ b/src/libs/agent-runtime/utils/streams/anthropic.ts
@@ -1,3 +1,4 @@
+import '@anthropic-ai/sdk/shims/web';
 import Anthropic from '@anthropic-ai/sdk';
 import type { Stream } from '@anthropic-ai/sdk/streaming';