diff --git a/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj b/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
index 0a5c62e..8deeb30 100644
--- a/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
+++ b/ICD.Common.Utils/ICD.Common.Utils_SimplSharp.csproj
@@ -97,6 +97,7 @@
     <None Include="ObfuscationSettings.cs" />
     <Compile Include="Extensions\BoolExtensions.cs" />
     <Compile Include="Extensions\ByteExtensions.cs" />
+    <Compile Include="Extensions\DayOfWeekExtensions.cs" />
     <Compile Include="Extensions\ListExtensions.cs" />
     <Compile Include="Comparers\PredicateEqualityComparer.cs" />
     <Compile Include="Extensions\UriExtensions.cs" />