diff --git a/webinars & workshops/Developer Workshop 2018/Accessing ARIA with VAIS/InteractiveClient/packages.config b/webinars & workshops/Developer Workshop 2018/Accessing ARIA with VAIS/InteractiveClient/packages.config
index 15f19db..de4ba04 100644
--- a/webinars & workshops/Developer Workshop 2018/Accessing ARIA with VAIS/InteractiveClient/packages.config	
+++ b/webinars & workshops/Developer Workshop 2018/Accessing ARIA with VAIS/InteractiveClient/packages.config	
@@ -104,7 +104,7 @@
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net461" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net461" />
   <package id="System.Text.Encodings.Web" version="4.5.0" targetFramework="net461" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net461" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net461" />
   <package id="System.Threading" version="4.3.0" targetFramework="net461" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net461" />
   <package id="System.Threading.Tasks.Extensions" version="4.5.1" targetFramework="net461" />