diff --git a/src/Cake.ActiveDirectory.Tests/packages.config b/src/Cake.ActiveDirectory.Tests/packages.config
index 9793ac9..8e566bb 100644
--- a/src/Cake.ActiveDirectory.Tests/packages.config
+++ b/src/Cake.ActiveDirectory.Tests/packages.config
@@ -25,7 +25,7 @@
   <package id="System.IO.FileSystem.Primitives" version="4.3.0" targetFramework="net46" />
   <package id="System.Linq" version="4.3.0" targetFramework="net46" />
   <package id="System.Linq.Expressions" version="4.3.0" targetFramework="net46" />
-  <package id="System.Net.Http" version="4.3.3" targetFramework="net46" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net46" />
   <package id="System.Net.Primitives" version="4.3.0" targetFramework="net46" />
   <package id="System.Net.Sockets" version="4.3.0" targetFramework="net46" />
   <package id="System.ObjectModel" version="4.3.0" targetFramework="net46" />