diff --git a/GrpcHost/GrpcHost/GrpcHost.csproj b/GrpcHost/GrpcHost/GrpcHost.csproj
index 4804299..2898c6f 100644
--- a/GrpcHost/GrpcHost/GrpcHost.csproj
+++ b/GrpcHost/GrpcHost/GrpcHost.csproj
@@ -20,7 +20,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="2.2.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="2.2.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="3.1.7" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.2.0" />
     <PackageReference Include="OpenTracing" Version="0.12.0" />
     <PackageReference Include="OpenTracing.Contrib.Grpc" Version="0.1.0" />