diff --git a/grpc.spec b/grpc.spec
index d223e112decd7a96226eedd842ac662882b0754e..0f8f23e838575bef05f0a538fc1bd9a2c48d4644 100644
--- a/grpc.spec
+++ b/grpc.spec
@@ -148,7 +148,7 @@ cd ../..
 - SUG:NA
 - DESC:separate re2 from grpc source
 
-* Mon Aug 28 2020 liuxin <liuxin264@huawei.com> - 1.31.0-1
+* Fri Aug 28 2020 liuxin <liuxin264@huawei.com> - 1.31.0-1
 - Type:requirement
 - ID:NA
 - SUG:NA