diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
old mode 100755
new mode 100644
index c0149ccadb92..b9a7d04be9fe
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -66,7 +66,7 @@
       <Version>5.2.7</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.Owin">
-      <Version>4.0.1</Version>
+      <Version>4.1.1</Version>
     </PackageReference>
     <PackageReference Include="MiniProfiler" Version="4.0.138" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />