diff --git a/DataServiceMicroServices/packages.config b/DataServiceMicroServices/packages.config
index f12fb94..d057c1b 100644
--- a/DataServiceMicroServices/packages.config
+++ b/DataServiceMicroServices/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Antlr" version="3.4.1.9004" targetFramework="net461" />
   <package id="bootstrap" version="3.0.0" targetFramework="net461" />
-  <package id="Google.Protobuf" version="3.5.1" targetFramework="net461" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net461" />
   <package id="jQuery" version="1.10.2" targetFramework="net461" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net461" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net461" />