diff --git a/src/main/CrossPlatform/SocketLite.iOS/packages.config b/src/main/CrossPlatform/SocketLite.iOS/packages.config
index 8cd00c9..cf0ce05 100644
--- a/src/main/CrossPlatform/SocketLite.iOS/packages.config
+++ b/src/main/CrossPlatform/SocketLite.iOS/packages.config
@@ -48,7 +48,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.2" 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="4.5.1" targetFramework="xamarinios10" />