diff --git a/dev/devicelab/manifest.yaml b/dev/devicelab/manifest.yaml
index 63ed3ac719a..74c7c8d94a0 100644
--- a/dev/devicelab/manifest.yaml
+++ b/dev/devicelab/manifest.yaml
@@ -462,12 +462,14 @@ tasks:
       Measures memory usage after repeated navigation in Gallery.
     stage: devicelab
     required_agent_capabilities: ["linux/android"]
+    flaky: true
 
   flutter_gallery__back_button_memory:
     description: >
       Measures memory usage after Android app suspend and resume.
     stage: devicelab
     required_agent_capabilities: ["linux/android"]
+    flaky: true
 
   analyzer_benchmark:
     description: >