diff --git a/.github/workflows/Tier1.yml b/.github/workflows/Tier1.yml
index 2d53133..052273b 100644
--- a/.github/workflows/Tier1.yml
+++ b/.github/workflows/Tier1.yml
@@ -2,7 +2,7 @@ name: Tier 1
 on:
   push:
     branches:
-      - master
+      - main
     paths-ignore:
       - 'LICENSE.md'
       - 'README.md'
@@ -14,7 +14,7 @@ on:
       - '.gitignore'
   pull_request:
     branches:
-      - master
+      - main
     paths-ignore:
       - 'LICENSE.md'
       - 'README.md'