diff --git a/F3.Business/packages.config b/F3.Business/packages.config
index 5391ce4..582b881 100644
--- a/F3.Business/packages.config
+++ b/F3.Business/packages.config
@@ -74,7 +74,7 @@
   <package id="System.Runtime.Numerics" version="4.3.0" targetFramework="net471" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net471" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net471" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net471" requireReinstallation="true" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net471" requireReinstallation="true" />
   <package id="System.Threading" version="4.3.0" targetFramework="net471" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net471" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="net471" />