diff --git a/.github/delete-merged-branch-config.yml b/.github/delete-merged-branch-config.yml
index 8a1c49b7..76898c70 100644
--- a/.github/delete-merged-branch-config.yml
+++ b/.github/delete-merged-branch-config.yml
@@ -1,3 +1,3 @@
 exclude: 
-  - master
+  - main
 delete_closed_pr: false
diff --git a/.github/workflows/UpdateDependabotPR.yml b/.github/workflows/UpdateDependabotPR.yml
index 7f1b9275..51aa5209 100644
--- a/.github/workflows/UpdateDependabotPR.yml
+++ b/.github/workflows/UpdateDependabotPR.yml
@@ -2,7 +2,7 @@ name: UpdateDependabotPR
 
 on:
   pull_request_target:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index 17ddb00b..353a666e 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -5,9 +5,9 @@ name: Black
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 1051e1ff..77a10430 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -2,9 +2,9 @@ name: Coverage
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
diff --git a/.github/workflows/pypicheck.yml b/.github/workflows/pypicheck.yml
index 85a74694..01ff4ee6 100644
--- a/.github/workflows/pypicheck.yml
+++ b/.github/workflows/pypicheck.yml
@@ -2,9 +2,9 @@ name: Pip check
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index b9ff66bb..4b68f7b0 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -5,9 +5,9 @@ name: Python package
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build: