diff --git a/Samples/Samples.macOS/packages.config b/Samples/Samples.macOS/packages.config
index 9d120f4..b7ab080 100644
--- a/Samples/Samples.macOS/packages.config
+++ b/Samples/Samples.macOS/packages.config
@@ -49,7 +49,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="xamarinmac20" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="xamarinmac20" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="xamarinmac20" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="xamarinmac20" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="xamarinmac20" />
   <package id="System.Threading" version="4.3.0" targetFramework="xamarinmac20" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="xamarinmac20" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="xamarinmac20" />