diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/TwoFactorAuth.sln b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/TwoFactorAuth.sln
new file mode 100644
index 0000000..df901f6
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/robthree/twofactorauth/TwoFactorAuth.sln
@@ -0,0 +1,22 @@
+﻿
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.30723.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{A0786B88-2ADB-4C21-ABE8-AA2D79766269}") = "TwoFactorAuth", "TwoFactorAuth.phpproj", "{E569F53A-A604-4579-91CE-4E35B27DA47B}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E569F53A-A604-4579-91CE-4E35B27DA47B}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal