diff --git a/GrpcHost/GrpcApp/GrpcServer.csproj b/GrpcHost/GrpcApp/GrpcServer.csproj
index 3dc1b88..9db77bf 100644
--- a/GrpcHost/GrpcApp/GrpcServer.csproj
+++ b/GrpcHost/GrpcApp/GrpcServer.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Google.Protobuf" Version="3.7.0" />
-    <PackageReference Include="Grpc.Core" Version="1.19.0" />
+    <PackageReference Include="Grpc.Core" Version="2.34.1" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.2.0" />
   </ItemGroup>
 
diff --git a/GrpcHost/GrpcClient/GrpcClient.csproj b/GrpcHost/GrpcClient/GrpcClient.csproj
index c560814..08bb39c 100644
--- a/GrpcHost/GrpcClient/GrpcClient.csproj
+++ b/GrpcHost/GrpcClient/GrpcClient.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.Core" Version="1.19.0" />
+    <PackageReference Include="Grpc.Core" Version="2.34.1" />
     <PackageReference Include="Grpc.HealthCheck" Version="1.19.0" />
   </ItemGroup>
 
diff --git a/GrpcHost/GrpcHost/GrpcHost.csproj b/GrpcHost/GrpcHost/GrpcHost.csproj
index 4804299..5156772 100644
--- a/GrpcHost/GrpcHost/GrpcHost.csproj
+++ b/GrpcHost/GrpcHost/GrpcHost.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.Core" Version="1.19.0" />
+    <PackageReference Include="Grpc.Core" Version="2.34.1" />
     <PackageReference Include="Grpc.HealthCheck" Version="1.19.0" />
     <PackageReference Include="Jaeger" Version="0.3.1" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="2.2.0" />