diff --git a/sample-apps/xamarin/acquaint-crm/App/Acquaint.XForms/Acquaint.XForms.iOS/packages.config b/sample-apps/xamarin/acquaint-crm/App/Acquaint.XForms/Acquaint.XForms.iOS/packages.config
index 7f534ee2..aefc3e01 100644
--- a/sample-apps/xamarin/acquaint-crm/App/Acquaint.XForms/Acquaint.XForms.iOS/packages.config
+++ b/sample-apps/xamarin/acquaint-crm/App/Acquaint.XForms/Acquaint.XForms.iOS/packages.config
@@ -61,7 +61,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="xamarinios10" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="xamarinios10" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="xamarinios10" />
   <package id="System.Threading" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="xamarinios10" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="xamarinios10" />