diff --git a/Source/Samples/CalloutSample/CalloutSample.Droid/packages.config b/Source/Samples/CalloutSample/CalloutSample.Droid/packages.config
old mode 100755
new mode 100644
index 95aaa17..67b09fa
--- a/Source/Samples/CalloutSample/CalloutSample.Droid/packages.config
+++ b/Source/Samples/CalloutSample/CalloutSample.Droid/packages.config
@@ -22,7 +22,7 @@
   <package id="System.IO.FileSystem.Primitives" version="4.3.0" targetFramework="monoandroid70" />
   <package id="System.Linq" version="4.3.0" targetFramework="monoandroid70" />
   <package id="System.Linq.Expressions" version="4.3.0" targetFramework="monoandroid70" />
-  <package id="System.Net.Http" version="4.3.3" targetFramework="monoandroid80" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="monoandroid80" />
   <package id="System.Net.Primitives" version="4.3.0" targetFramework="monoandroid70" />
   <package id="System.Net.Sockets" version="4.3.0" targetFramework="monoandroid70" />
   <package id="System.ObjectModel" version="4.3.0" targetFramework="monoandroid70" />