diff --git a/sdk/packages.config b/sdk/packages.config
index 79f7852..026c8bb 100644
--- a/sdk/packages.config
+++ b/sdk/packages.config
@@ -3,5 +3,5 @@
   <package id="Google.Protobuf.Tools" version="3.6.1" targetFramework="net40" />
   <package id="Google.ProtocolBuffers" version="2.4.1.555" targetFramework="net45" />
   <package id="Microsoft.Net.Http" version="2.0.20710.0" targetFramework="net40" />
-  <package id="System.Net.Http" version="2.0.20710.0" targetFramework="net40" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net40" />
 </packages>
\ No newline at end of file