diff --git a/MiniInstagram/packages.config b/MiniInstagram/packages.config
index ef116ce..210ad5e 100644
--- a/MiniInstagram/packages.config
+++ b/MiniInstagram/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.3.1" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="Microsoft.Bcl.AsyncInterfaces" version="1.1.0" targetFramework="net472" />
   <package id="Microsoft.Extensions.Configuration" version="3.1.3" targetFramework="net472" />
   <package id="Microsoft.Extensions.Configuration.Abstractions" version="3.1.3" targetFramework="net472" />