diff --git a/Samples/MicrosoftGraph.Office365.DotNetSDK/MicrosoftGraph.Office365.DotNetSDK.WebApp/packages.config b/Samples/MicrosoftGraph.Office365.DotNetSDK/MicrosoftGraph.Office365.DotNetSDK.WebApp/packages.config
index 9eb73a53b..c60fc1cc8 100644
--- a/Samples/MicrosoftGraph.Office365.DotNetSDK/MicrosoftGraph.Office365.DotNetSDK.WebApp/packages.config
+++ b/Samples/MicrosoftGraph.Office365.DotNetSDK/MicrosoftGraph.Office365.DotNetSDK.WebApp/packages.config
@@ -40,7 +40,7 @@
   <package id="Owin" version="1.0" targetFramework="net452" />
   <package id="Respond" version="1.4.2" targetFramework="net452" />
   <package id="System.IdentityModel.Tokens.Jwt" version="4.0.2.206221351" targetFramework="net452" />
-  <package id="System.Net.Http" version="4.3.1" targetFramework="net452" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net452" />
   <package id="System.Spatial" version="5.7.0" targetFramework="net452" />
   <package id="WebGrease" version="1.6.0" targetFramework="net452" />
 </packages>
\ No newline at end of file