diff --git a/QueryIT/packages.config b/QueryIT/packages.config
index dde7621..4b6b1f2 100644
--- a/QueryIT/packages.config
+++ b/QueryIT/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="BouncyCastle" version="1.8.5" targetFramework="net461" />
   <package id="FirebirdSql.Data.FirebirdClient" version="7.5.0" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.11.4" targetFramework="net461" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net461" />
   <package id="K4os.Compression.LZ4" version="1.1.11" targetFramework="net461" />
   <package id="K4os.Compression.LZ4.Streams" version="1.1.11" targetFramework="net461" />
   <package id="K4os.Hash.xxHash" version="1.0.6" targetFramework="net461" />