diff --git a/src/Testura.Mutation.Application/packages.config b/src/Testura.Mutation.Application/packages.config
index b4af218..2cc12cc 100644
--- a/src/Testura.Mutation.Application/packages.config
+++ b/src/Testura.Mutation.Application/packages.config
@@ -79,7 +79,7 @@
   <package id="System.Text.Encoding" version="4.3.0" targetFramework="net472" />
   <package id="System.Text.Encoding.CodePages" version="4.5.1" targetFramework="net472" />
   <package id="System.Text.Encoding.Extensions" version="4.3.0" targetFramework="net472" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net472" />
+  <package id="System.Text.RegularExpressions" version="4.3.1" targetFramework="net472" />
   <package id="System.Threading" version="4.3.0" targetFramework="net472" />
   <package id="System.Threading.Tasks" version="4.3.0" targetFramework="net472" />
   <package id="System.Threading.Tasks.Dataflow" version="4.11.0" targetFramework="net472" />