diff --git a/api/yorkie/v1/resources.proto b/api/yorkie/v1/resources.proto
index ae4019b4f..8c896bf80 100644
--- a/api/yorkie/v1/resources.proto
+++ b/api/yorkie/v1/resources.proto
@@ -370,4 +370,4 @@ message DocEvent {
   DocEventType type = 1;
   string publisher = 2;
   DocEventBody body = 3;
-}
\ No newline at end of file
+}
diff --git a/api/yorkie/v1/yorkie.proto b/api/yorkie/v1/yorkie.proto
index bc23485b5..da71d6a11 100644
--- a/api/yorkie/v1/yorkie.proto
+++ b/api/yorkie/v1/yorkie.proto
@@ -120,4 +120,4 @@ message BroadcastRequest {
 }
 
 message BroadcastResponse {
-}
\ No newline at end of file
+}