diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 57b372ff458..a32f2a37869 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -505,7 +505,9 @@ tasks:
     description: >
       Runs benchmarks from dev/benchmarks/microbenchmarks on iPhone 6.
     stage: devicelab_ios
-    required_agent_capabilities: ["mac/ios"]
+    #TODO(godofredoc): Remove ios/12 capability once
+    # https://github.com/flutter/flutter/issues/49635 is fixed.
+    required_agent_capabilities: ["mac/ios", "ios/12"]
     timeout_in_minutes: 30
 
   flutter_view_ios__start_up: