diff --git a/packages.config b/packages.config
index 5aa88de..7f04ac6 100644
--- a/packages.config
+++ b/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Google.Protobuf" version="3.8.0" targetFramework="net461" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net461" />
   <package id="LZMA-SDK" version="18.1.0" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net461" />
 </packages>
\ No newline at end of file