diff --git a/.github/workflows/egret.yml b/.github/workflows/egret.yml
index 84e2fe81..6cefaed4 100644
--- a/.github/workflows/egret.yml
+++ b/.github/workflows/egret.yml
@@ -5,10 +5,10 @@ on:
     # but only for the master branch
     push:
         branches:
-            - master
+            - main
     pull_request:
         branches:
-            - master
+            - main
     # nightly tests at 8:00 UTC
     schedule:
         - cron:  '0 8 * * *'
diff --git a/.github/workflows/prescient.yml b/.github/workflows/prescient.yml
index 4fbfd7d1..28934756 100644
--- a/.github/workflows/prescient.yml
+++ b/.github/workflows/prescient.yml
@@ -5,10 +5,10 @@ on:
     # but only for the master branch
     push:
         branches:
-            - master
+            - main
     pull_request:
         branches:
-            - master
+            - main
     workflow_dispatch:
          types: run-test