diff --git a/src/FlurlFs/FlurlFs.fsproj b/src/FlurlFs/FlurlFs.fsproj
index 73853ef..64cb357 100644
--- a/src/FlurlFs/FlurlFs.fsproj
+++ b/src/FlurlFs/FlurlFs.fsproj
@@ -35,10 +35,8 @@
     <OtherFlags>--warnon:1182</OtherFlags>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="FSharp.Core, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
     <Reference Include="mscorlib" />
-    <Reference Include="FSharp.Core, Version=$(TargetFSharpCoreVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Numerics" />
diff --git a/tests/FlurlFs.Tests/FlurlFs.Tests.fsproj b/tests/FlurlFs.Tests/FlurlFs.Tests.fsproj
index 0f0698b..1849778 100644
--- a/tests/FlurlFs.Tests/FlurlFs.Tests.fsproj
+++ b/tests/FlurlFs.Tests/FlurlFs.Tests.fsproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
@@ -59,10 +59,8 @@
     <None Include="paket.references" />
   </ItemGroup>
   <ItemGroup>
+    <Reference Include="FSharp.Core, Version=4.4.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
     <Reference Include="mscorlib" />
-    <Reference Include="FSharp.Core, Version=$(TargetFSharpCoreVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Numerics" />
@@ -89,4 +87,4 @@
       <Paket>True</Paket>
     </Reference>
   </ItemGroup>
-</Project>
+</Project>
\ No newline at end of file