diff --git a/proto/SetPlayerBirthdayReq.proto b/proto/SetPlayerBirthdayReq.proto
new file mode 100644
index 0000000..74b0df9
--- /dev/null
+++ b/proto/SetPlayerBirthdayReq.proto
@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "proto/Birthday.proto";
+
+message SetPlayerBirthdayReq {
+	Birthday birth = 1;
+}
diff --git a/proto/SetPlayerBirthdayRsp.proto b/proto/SetPlayerBirthdayRsp.proto
new file mode 100644
index 0000000..5a830c0
--- /dev/null
+++ b/proto/SetPlayerBirthdayRsp.proto
@@ -0,0 +1,8 @@
+syntax = "proto3";
+
+option java_package = "emu.grasscutter.net.proto";
+import "proto/Birthday.proto";
+
+message SetPlayerBirthdayRsp {
+	Birthday birth = 1;
+}