diff --git a/config/generated/flutter/luci/cr-buildbucket.cfg b/config/generated/flutter/luci/cr-buildbucket.cfg
index c60b4be..6c76f52 100644
--- a/config/generated/flutter/luci/cr-buildbucket.cfg
+++ b/config/generated/flutter/luci/cr-buildbucket.cfg
@@ -8249,7 +8249,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -97652,7 +97652,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -101442,7 +101442,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -101615,7 +101615,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -101753,7 +101753,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -101890,7 +101890,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -101959,7 +101959,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": false,'
         '  "goma_jobs": "200",'
@@ -118531,7 +118531,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -143782,7 +143782,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -144590,7 +144590,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -144761,7 +144761,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -144897,7 +144897,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -145032,7 +145032,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
@@ -145100,7 +145100,7 @@
         '    }'
         '  ],'
         '  "device_type": "none",'
-        '  "git_branch": "master",'
+        '  "git_branch": "main",'
         '  "git_repo": "plugins",'
         '  "gold_tryjob": true,'
         '  "goma_jobs": "200",'
diff --git a/config/generated/flutter/luci/luci-milo.cfg b/config/generated/flutter/luci/luci-milo.cfg
index e309ac2..dcbf996 100644
--- a/config/generated/flutter/luci/luci-milo.cfg
+++ b/config/generated/flutter/luci/luci-milo.cfg
@@ -7148,7 +7148,7 @@
   id: "plugins_staging"
   name: "plugins_staging"
   repo_url: "https://flutter.googlesource.com/mirrors/plugins"
-  refs: "regexp:refs/heads/master"
+  refs: "regexp:refs/heads/main"
   manifest_name: "REVISION"
   favicon_url: "https://storage.googleapis.com/flutter_infra/favicon.ico"
 }
@@ -7156,7 +7156,7 @@
   id: "plugins"
   name: "plugins"
   repo_url: "https://flutter.googlesource.com/mirrors/plugins"
-  refs: "regexp:refs/heads/master"
+  refs: "regexp:refs/heads/main"
   manifest_name: "REVISION"
   builders {
     name: "buildbucket/luci.flutter.prod/Windows win32-platform_tests master"
diff --git a/config/generated/flutter/luci/luci-scheduler.cfg b/config/generated/flutter/luci/luci-scheduler.cfg
index 841efc3..74b6556 100644
--- a/config/generated/flutter/luci/luci-scheduler.cfg
+++ b/config/generated/flutter/luci/luci-scheduler.cfg
@@ -18557,6 +18557,22 @@
   }
 }
 trigger {
+  id: "main-gitiles-trigger-plugins"
+  realm: "prod"
+  acl_sets: "prod"
+  triggers: "Linux ci_yaml plugins roller"
+  triggers: "Windows plugin_tools_tests"
+  triggers: "Windows uwp-platform_tests master"
+  triggers: "Windows win32-platform_tests master"
+  triggers: "Windows win32-platform_tests stable"
+  triggers: "Windows windows-build_all_plugins master"
+  triggers: "Windows windows-build_all_plugins stable"
+  gitiles {
+    repo: "https://flutter.googlesource.com/mirrors/plugins"
+    refs: "regexp:refs/heads/main"
+  }
+}
+trigger {
   id: "master-gitiles-trigger-devicelab-staging"
   realm: "staging"
   acl_sets: "staging"
@@ -18944,22 +18960,6 @@
   }
 }
 trigger {
-  id: "master-gitiles-trigger-plugins"
-  realm: "prod"
-  acl_sets: "prod"
-  triggers: "Linux ci_yaml plugins roller"
-  triggers: "Windows plugin_tools_tests"
-  triggers: "Windows uwp-platform_tests master"
-  triggers: "Windows win32-platform_tests master"
-  triggers: "Windows win32-platform_tests stable"
-  triggers: "Windows windows-build_all_plugins master"
-  triggers: "Windows windows-build_all_plugins stable"
-  gitiles {
-    repo: "https://flutter.googlesource.com/mirrors/plugins"
-    refs: "regexp:refs/heads/master"
-  }
-}
-trigger {
   id: "recipes-gitiles-trigger"
   realm: "prod"
   acl_sets: "prod"
diff --git a/config/plugins_config.star b/config/plugins_config.star
index eb0cc31..0f8a9e2 100644
--- a/config/plugins_config.star
+++ b/config/plugins_config.star
@@ -14,7 +14,7 @@
 def _setup():
     """Set default configurations for builders, and setup recipes."""
     plugins_product_tagged_config_setup()
-    ci_yaml.generate("plugins", "master", None, "refs/heads/master", {}, {})
+    ci_yaml.generate("plugins", "main", None, "refs/heads/main", {}, {})
 
 def plugins_product_tagged_config_setup():
     """Builder configures for prod tasks, which were only triggered with tag changes."""