diff --git a/build/NuGet/nuget-signed.proj b/build/NuGet/nuget-signed.proj
index 4781cabc..511b3eef 100644
--- a/build/NuGet/nuget-signed.proj
+++ b/build/NuGet/nuget-signed.proj
@@ -47,10 +47,14 @@
         </PropertyGroup>
 
         <!-- Package Versions (skip 4th part/build number, for semvar compliance) -->
-        <PropertyGroup>
+        <PropertyGroup Condition="'$(semverPackage)' == ''">
             <NumericsPackVersion>$(NumericsAssemblyVersion.Substring(0, $(NumericsAssemblyVersion.LastIndexOf('.'))))</NumericsPackVersion>
             <FSharpPackVersion>$(FSharpAssemblyVersion.Substring(0, $(FSharpAssemblyVersion.LastIndexOf('.'))))</FSharpPackVersion>
         </PropertyGroup>
+        <PropertyGroup Condition="'$(semverPackage)' != ''">
+            <NumericsPackVersion>$(semverPackage)</NumericsPackVersion>
+            <FSharpPackVersion>$(semverPackage)</FSharpPackVersion>
+        </PropertyGroup>
 
         <XmlUpdate
             Prefix="n" Namespace="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd"
diff --git a/build/NuGet/nuget.proj b/build/NuGet/nuget.proj
index 8dc8a171..3c30418e 100644
--- a/build/NuGet/nuget.proj
+++ b/build/NuGet/nuget.proj
@@ -70,10 +70,14 @@
         </PropertyGroup>
 
         <!-- Package Versions (skip 4th part/build number, for semvar compliance) -->
-        <PropertyGroup>
+        <PropertyGroup Condition="'$(semverPackage)' == ''">
             <NumericsPackVersion>$(NumericsAssemblyVersion.Substring(0, $(NumericsAssemblyVersion.LastIndexOf('.'))))</NumericsPackVersion>
             <FSharpPackVersion>$(FSharpAssemblyVersion.Substring(0, $(FSharpAssemblyVersion.LastIndexOf('.'))))</FSharpPackVersion>
         </PropertyGroup>
+        <PropertyGroup Condition="'$(semverPackage)' != ''">
+            <NumericsPackVersion>$(semverPackage)</NumericsPackVersion>
+            <FSharpPackVersion>$(semverPackage)</FSharpPackVersion>
+        </PropertyGroup>
 
         <XmlUpdate
             Prefix="n" Namespace="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd"