diff --git a/client/client.go b/client/client.go
index b470b5f..c441b96 100644
--- a/client/client.go
+++ b/client/client.go
@@ -31,7 +31,7 @@ func GetSigningClient(key crypto.PrivateKey, keyId string) (*http.Client, error)
 	}
 
 	client := httpsig.NewClient(httpsig.ClientOpts{
-		Tag:   "test-tag",
+		Tag:   "auth",
 		KeyID: keyId,
 		Alg:   alg,
 	})
diff --git a/server/server.go b/server/server.go
index a323ecc..dc36cca 100644
--- a/server/server.go
+++ b/server/server.go
@@ -28,7 +28,7 @@ func Start(publicKey crypto.PublicKey) error {
 	verifier := httpsig.Middleware(httpsig.MiddlewareOpts{
 		NonceStorage: inmemory.NewNonceStorage(),
 		KeyDirectory: &keyDir,
-		Tag:          "test-tag",
+		Tag:          "auth",
 		Scheme:       "http",
 		Authority:    "localhost:8080",