diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 185348c..eb330e6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,12 +25,12 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - name: Verify tag is on main
+      - name: Verify tag is on master
         run: |
           set -eu
-          git fetch origin main --quiet
-          if ! git merge-base --is-ancestor "$GITHUB_SHA" origin/main; then
-            echo "refusing to release: $GITHUB_SHA is not an ancestor of origin/main" >&2
+          git fetch origin master --quiet
+          if ! git merge-base --is-ancestor "$GITHUB_SHA" origin/master; then
+            echo "refusing to release: $GITHUB_SHA is not an ancestor of origin/master" >&2
             exit 1
           fi
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d8bfca8..8153273 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,7 +4,7 @@ on:
   pull_request:
   push:
     branches:
-      - main
+      - master
 
 permissions:
   contents: read
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index c8423c6..73e4427 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -6,7 +6,7 @@ on:
       - ".github/workflows/**"
   push:
     branches:
-      - main
+      - master
     paths:
       - ".github/workflows/**"
   workflow_dispatch: {}