diff --git a/Carrot_QA_test/App.config b/Carrot_QA_test/App.config
index 6a190ac..30b1f55 100644
--- a/Carrot_QA_test/App.config
+++ b/Carrot_QA_test/App.config
@@ -13,6 +13,10 @@
         <assemblyIdentity name="System.Buffers" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Google.Protobuf" publicKeyToken="a7d26565bac4d604" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.15.0.0" newVersion="3.15.0.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/Carrot_QA_test/Carrot_QA_test.csproj b/Carrot_QA_test/Carrot_QA_test.csproj
index 05fb25d..c282f9f 100644
--- a/Carrot_QA_test/Carrot_QA_test.csproj
+++ b/Carrot_QA_test/Carrot_QA_test.csproj
@@ -73,8 +73,9 @@
     <Reference Include="BouncyCastle.Crypto, Version=1.8.5.0, Culture=neutral, PublicKeyToken=0e99375e54769942">
       <HintPath>..\packages\BouncyCastle.1.8.5\lib\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="Google.Protobuf, Version=3.14.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Protobuf.3.14.0\lib\net45\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.15.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604">
+      <HintPath>..\packages\Google.Protobuf.3.15.0\lib\net45\Google.Protobuf.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="K4os.Compression.LZ4, Version=1.1.11.0, Culture=neutral, PublicKeyToken=2186fa9121ef231d, processorArchitecture=MSIL">
       <HintPath>..\packages\K4os.Compression.LZ4.1.1.11\lib\net46\K4os.Compression.LZ4.dll</HintPath>
diff --git a/Carrot_QA_test/packages.config b/Carrot_QA_test/packages.config
index 41bdb6d..64b8f32 100644
--- a/Carrot_QA_test/packages.config
+++ b/Carrot_QA_test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.5" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.14.0" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="K4os.Compression.LZ4" version="1.1.11" targetFramework="net472" />
   <package id="K4os.Compression.LZ4.Streams" version="1.1.11" targetFramework="net472" />
   <package id="K4os.Hash.xxHash" version="1.0.6" targetFramework="net472" />