diff --git a/README.md b/README.md
index cccbb50..9629d27 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ or something like this.
 You run it like this (see `webhooker --help` to get more help):
 
 ```
-webhooker -p 3434 -i 127.0.0.1 piranha/webhooker:master='echo $COMMIT'
+webhooker -p 3434 -i 127.0.0.1 piranha/webhooker:main='echo $COMMIT'
 ```
 
 It runs every command in `sh`, so you can use more complex commands (with `&&`
diff --git a/webhooker_test.go b/webhooker_test.go
index abdb0fa..7bbbd8d 100644
--- a/webhooker_test.go
+++ b/webhooker_test.go
@@ -28,7 +28,7 @@ func (r *MockedRule) Run(data Payload) (string, error) {
 
 func TestRunIsCalled(t *testing.T) {
 	data := &GithubPayload{
-		Ref: "refs/heads/master",
+		Ref: "refs/heads/main",
 		Repository: GithubRepo{
 			Name:     "webhooker",
 			FullName: "piranha/webhooker",
@@ -39,7 +39,7 @@ func TestRunIsCalled(t *testing.T) {
 		Pattern: "nothing",
 	}
 	right := &MockedRule{
-		Pattern: "piranha/webhooker:master",
+		Pattern: "piranha/webhooker:main",
 	}
 
 	wrong.On("Match", GetPath(data)).Return(false)