diff --git a/test/test-manager/src/tests/settings.rs b/test/test-manager/src/tests/settings.rs
index 0f7a17069d6d..01325ef32bb1 100644
--- a/test/test-manager/src/tests/settings.rs
+++ b/test/test-manager/src/tests/settings.rs
@@ -62,7 +62,7 @@ pub async fn test_lan(
         .expect("failed to enable LAN sharing");
 
     // Firewall updates are a bit racey, so wait for a while
-    tokio::time::sleep(std::time::Duration::from_secs(1)).await;
+    tokio::time::sleep(std::time::Duration::from_secs(3)).await;
 
     // Ensure LAN is reachable
     //
@@ -118,7 +118,7 @@ pub async fn test_lockdown(
         .expect("failed to enable lockdown mode");
 
     // Firewall updates are a bit racey, so wait for a while
-    tokio::time::sleep(std::time::Duration::from_secs(1)).await;
+    tokio::time::sleep(std::time::Duration::from_secs(3)).await;
 
     // Ensure all destinations are unreachable
     //