diff --git a/cmd/osv-scanner/scan/source/testdata/locks-dotnet/Directory.Packages.props b/cmd/osv-scanner/scan/source/testdata/locks-dotnet/Directory.Packages.props
index ae4ae9caed8..143f4ac699b 100644
--- a/cmd/osv-scanner/scan/source/testdata/locks-dotnet/Directory.Packages.props
+++ b/cmd/osv-scanner/scan/source/testdata/locks-dotnet/Directory.Packages.props
@@ -1,5 +1,5 @@
 <Project>
   <ItemGroup>
-    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.0" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
   </ItemGroup>
 </Project>