diff --git a/wave/lunar_lander/Launchers/Linux/packages.config b/wave/lunar_lander/Launchers/Linux/packages.config
index 298c190..def8960 100644
--- a/wave/lunar_lander/Launchers/Linux/packages.config
+++ b/wave/lunar_lander/Launchers/Linux/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net45" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net45" />
   <package id="Grpc.Core" version="1.14.2" targetFramework="net45" />
   <package id="System.Interactive.Async" version="3.1.1" targetFramework="net45" />
   <package id="WaveEngine" version="2.5.0.39" targetFramework="Mono" />