diff --git a/DataflowSignalrAngularDemo/DataflowFileService/packages.config b/DataflowSignalrAngularDemo/DataflowFileService/packages.config
index cc2aa15..d12eefe 100644
--- a/DataflowSignalrAngularDemo/DataflowFileService/packages.config
+++ b/DataflowSignalrAngularDemo/DataflowFileService/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="Microsoft.Win32.Primitives" version="4.3.0" targetFramework="net461" />
   <package id="System.Diagnostics.DiagnosticSource" version="4.3.0" targetFramework="net461" />
-  <package id="System.Net.Http" version="4.3.1" targetFramework="net461" />
+  <package id="System.Net.Http" version="4.3.4" targetFramework="net461" />
   <package id="System.Net.Http.Formatting.Extension" version="5.2.3.0" targetFramework="net461" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net461" />
   <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net461" />