diff --git a/BusinessLogic/packages.config b/BusinessLogic/packages.config
index b236e59..f8605bf 100644
--- a/BusinessLogic/packages.config
+++ b/BusinessLogic/packages.config
@@ -5,7 +5,7 @@
   <package id="BouncyCastle" version="1.8.5" targetFramework="net48" />
   <package id="FluentNHibernate" version="2.1.2" targetFramework="net47" />
   <package id="FSharp.Core" version="4.7.0" targetFramework="net48" />
-  <package id="Google.Protobuf" version="3.11.2" targetFramework="net48" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net48" />
   <package id="HtmlAgilityPack" version="1.11.17" targetFramework="net48" />
   <package id="Iesi.Collections" version="4.0.4" targetFramework="net47" />
   <package id="ManagedEsent" version="1.9.4" targetFramework="net47" />