diff --git a/Capnp.Net.Runtime/Capnp.Net.Runtime.csproj b/Capnp.Net.Runtime/Capnp.Net.Runtime.csproj
index 2d6ac0e..756bd88 100644
--- a/Capnp.Net.Runtime/Capnp.Net.Runtime.csproj
+++ b/Capnp.Net.Runtime/Capnp.Net.Runtime.csproj
@@ -19,6 +19,8 @@
     <RepositoryType>Git</RepositoryType>
     <PackageTags>capnp "Cap'n Proto" RPC serialization cerealization</PackageTags>
     <Version>1.3-local$([System.DateTime]::UtcNow.ToString(yyMMddHHmm))</Version>
+    <FileVersion>1.3.0.0</FileVersion>
+    <AssemblyVersion>1.3.0.0</AssemblyVersion>
     <Configurations>Debug;Release</Configurations>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
diff --git a/CapnpC.CSharp.Generator/CapnpC.CSharp.Generator.csproj b/CapnpC.CSharp.Generator/CapnpC.CSharp.Generator.csproj
index e752fdf..2179b56 100644
--- a/CapnpC.CSharp.Generator/CapnpC.CSharp.Generator.csproj
+++ b/CapnpC.CSharp.Generator/CapnpC.CSharp.Generator.csproj
@@ -3,6 +3,9 @@
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netcoreapp2.1</TargetFrameworks>
     <Configurations>Debug;Release</Configurations>
+    <Version>1.3.0.0</Version>
+    <FileVersion>1.3.0.0</FileVersion>
+    <AssemblyVersion>1.3.0.0</AssemblyVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/appveyor.yml b/appveyor.yml
index 6e11ddc..780c080 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -50,19 +50,19 @@ build_script:
 after_build:
   # For once the build has completed
 artifacts:
- - path: bin\Release\Capnp.Net.Runtime.$(appveyor_build_version).nupkg
+ - path: bin\Release\Capnp.Net.Runtime.$(semver).nupkg
    name: Capnp.Net.Runtime
    type: NuGetPackage
- - path: bin\Release\CapnpC.CSharp.MsBuild.Generation.$(appveyor_build_version).nupkg
+ - path: bin\Release\CapnpC.CSharp.MsBuild.Generation.$(semver).nupkg
    name: CapnpC.CSharp.MsBuild.Generation
    type: NuGetPackage
- - path: chocolatey\install\capnpc-csharp-win-x86.$(appveyor_build_version).nupkg
+ - path: chocolatey\install\capnpc-csharp-win-x86.$(semver).nupkg
    name: capnpc-csharp-win-x86
    type: NuGetPackage
- - path: chocolatey\install\capnpc-csharp.$(appveyor_build_version)-deprecated.nupkg
+ - path: chocolatey\install\capnpc-csharp.$(semver)-deprecated.nupkg
    name: capnpc-csharp-deprecated
    type: NuGetPackage
- - path: capnpc-csharp\nupkg\capnpc-csharp.$(appveyor_build_version).nupkg
+ - path: capnpc-csharp\nupkg\capnpc-csharp.$(semver).nupkg
    name: capnpc-csharp
    type: NuGetPackage
 clone_depth: 1
diff --git a/capnpc-csharp/capnpc-csharp.csproj b/capnpc-csharp/capnpc-csharp.csproj
index 50f7dc4..0ada204 100644
--- a/capnpc-csharp/capnpc-csharp.csproj
+++ b/capnpc-csharp/capnpc-csharp.csproj
@@ -17,6 +17,8 @@
     <RepositoryType>Git</RepositoryType>
     <PackageTags>capnp capnpc RPC serialization cerealization</PackageTags>
     <Version>1.3.0</Version>
+    <FileVersion>1.3.0.0</FileVersion>
+    <AssemblyVersion>1.3.0.0</AssemblyVersion>
     <Configurations>Debug;Release</Configurations>
   </PropertyGroup>