diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index 5136076a0..950d0c968 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -98,7 +98,7 @@
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     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.4.0" />
     <PackageReference Include="System.Text.Encoding.Extensions" Version="4.3.0" />
-    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.0" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="System.Threading" Version="4.3.0" />
     <PackageReference Include="System.Threading.Tasks" Version="4.3.0" />
     <PackageReference Include="System.Threading.Tasks.Parallel" Version="4.3.0" />