diff --git a/VCRC/Fluids/Refrigerant.cs b/VCRC/Fluids/Refrigerant.cs
index d672661..84440fb 100644
--- a/VCRC/Fluids/Refrigerant.cs
+++ b/VCRC/Fluids/Refrigerant.cs
@@ -1,4 +1,3 @@
-using CoolProp;
 using UnitsNet.NumberExtensions.NumberToTemperatureDelta;
 
 namespace VCRC;
@@ -202,4 +201,4 @@ public override Refrigerant Mixing(Ratio firstSpecificMassFlow, AbstractFluid fi
 
     private static Regex BlendRegex(bool zeotropic) =>
         new(zeotropic ? @"^R4\d{2}" : @"^R5\d{2}", RegexOptions.Compiled);
-}
\ No newline at end of file
+}
diff --git a/VCRC/VCRC.csproj b/VCRC/VCRC.csproj
index e7081e4..fdd7374 100644
--- a/VCRC/VCRC.csproj
+++ b/VCRC/VCRC.csproj
@@ -33,7 +33,7 @@
     <ItemGroup>
         <PackageReference Include="FluentValidation" Version="11.4.0"/>
         <PackageReference Include="MathNet.Numerics" Version="5.0.0"/>
-        <PackageReference Include="SharpProp" Version="4.4.1"/>
+        <PackageReference Include="SharpProp" Version="5.0.0"/>
     </ItemGroup>
 
 </Project>
\ No newline at end of file