diff --git a/.ci.yaml b/.ci.yaml
index 3be70a9..e701a57 100755
--- a/.ci.yaml
+++ b/.ci.yaml
@@ -6,12 +6,9 @@
 # More information at:
 #  * https://github.com/flutter/cocoon/blob/main/CI_YAML.md
 enabled_branches:
-  - flutter-2.8-candidate.3
   - main
   - master
-  - dev
-  - beta
-  - stable
+  - flutter-\d+\.\d+-candidate\.\d+
 
 platform_properties:
   linux:
@@ -88,7 +85,7 @@
           {"dependency": "chrome_and_driver", "version": "version:84"},
           {"dependency": "open_jdk"}
         ]
-      os: Mac-10.15
+      os: Mac-12.0
       device_os: N
   mac_ios:
     properties:
@@ -109,9 +106,9 @@
           {"dependency": "gems"},
           {"dependency": "ios_signing"}
         ]
-      os: Mac-10.15
-      device_os: iOS-14.4.2
-      xcode: 12c33
+      os: Mac-12.0
+      device_os: iOS-15.1
+      xcode: 13a233
   mac_ios32:
     properties:
       caches: >-
@@ -131,9 +128,9 @@
           {"dependency": "gems"},
           {"dependency": "ios_signing"}
         ]
-      os: Mac-10.15
+      os: Mac-12.0
       device_os: iOS-9.3.6
-      xcode: 12c33
+      xcode: 13a233
   windows:
     properties:
       caches: >-
@@ -2266,6 +2263,7 @@
 
   - name: Mac module_test_ios
     recipe: devicelab/devicelab_drone
+    bringup: true # Flaky https://github.com/flutter/flutter/issues/93517
     timeout: 60
     properties:
       caches: >-
diff --git a/.cirrus.yml b/.cirrus.yml
index f73e1dc..1da3b93 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -12,7 +12,7 @@
   # dependency on precisely how Cirrus is detected by our tools.
   BOT: "true"
 
-gcp_credentials: ENCRYPTED[!48cff44dd32e9cc412d4d381c7fe68d373ca04cf2639f8192d21cb1a9ab5e21129651423a1cf88f3fd7fe2125c1cabd9!]
+gcp_credentials: ENCRYPTED[!cc769765170bebc37e0556e2da5915ca64ee37f4ec8c966ec147e2f59578b476c99e457eafce4e2f8b1a4e305f7096b8!]
 
 # LINUX SHARDS
 task: