diff --git a/src/Libraries/TsBlog.Repositories/packages.config b/src/Libraries/TsBlog.Repositories/packages.config
index f9317a8..63cf1f4 100644
--- a/src/Libraries/TsBlog.Repositories/packages.config
+++ b/src/Libraries/TsBlog.Repositories/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.5.1" targetFramework="net462" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net462" />
   <package id="MySql.Data" version="8.0.13" targetFramework="net462" />
   <package id="mySqlSugar" version="3.5.3.4" targetFramework="net462" />
   <package id="sqlSugar" version="4.9.7.3" targetFramework="net462" />