diff --git a/WDDN_DotNet_Project_CE047_CE094_CE099/Email_System/packages.config b/WDDN_DotNet_Project_CE047_CE094_CE099/Email_System/packages.config
index 8bfa950..2cfd6c2 100644
--- a/WDDN_DotNet_Project_CE047_CE094_CE099/Email_System/packages.config
+++ b/WDDN_DotNet_Project_CE047_CE094_CE099/Email_System/packages.config
@@ -7,7 +7,7 @@
   <package id="bootstrap" version="4.6.0" targetFramework="net472" />
   <package id="BouncyCastle" version="1.8.5" targetFramework="net472" />
   <package id="EntityFramework" version="6.4.4" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.14.0" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="jQuery" version="3.4.1" targetFramework="net472" />
   <package id="K4os.Compression.LZ4" version="1.1.11" targetFramework="net472" />
   <package id="K4os.Compression.LZ4.Streams" version="1.1.11" targetFramework="net472" />