diff --git a/package.json b/package.json
index 399c78f71..c0ddc86a7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@temporalio/ui",
-  "version": "2.1.85",
+  "version": "2.1.86",
   "type": "module",
   "description": "Temporal.io UI",
   "keywords": [
diff --git a/src/lib/services/workflow-service.ts b/src/lib/services/workflow-service.ts
index 522c8bb7c..19bf8f744 100644
--- a/src/lib/services/workflow-service.ts
+++ b/src/lib/services/workflow-service.ts
@@ -184,6 +184,7 @@ export const cancelWorkflow = async (
 
   return requestFromAPI(route, {
     request,
+    notifyOnError: false,
     options: {
       method: 'POST',
     },