diff --git a/CRP.Core/packages.config b/CRP.Core/packages.config
index 53ba194e..2695c74b 100644
--- a/CRP.Core/packages.config
+++ b/CRP.Core/packages.config
@@ -58,7 +58,7 @@
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net47" />
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net47" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net47" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net47" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net47" />
   <package id="System.Threading" version="4.3.0" targetFramework="net47" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net47" />
   <package id="System.Threading.Timer" version="4.3.0" targetFramework="net47" />