diff --git a/NavigationServiceSample/src/Keyboard.Tests/packages.config b/NavigationServiceSample/src/Keyboard.Tests/packages.config
index afb12a5..c00d5e0 100644
--- a/NavigationServiceSample/src/Keyboard.Tests/packages.config
+++ b/NavigationServiceSample/src/Keyboard.Tests/packages.config
@@ -44,7 +44,7 @@
   <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.Tasks.Extensions" version="4.5.4" targetFramework="xamarinios10" />