diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 423c225..6003b48 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -120,7 +120,7 @@ jobs:
           cat RELEASE_NOTES.md
 
       - name: Pack
-        run: dotnet pack -c Release -o ReleaseBuilds ReqIFSharp.sln
+        run: dotnet pack -c Release -o ReleaseBuilds ReqIFSharp.sln /p:ContinuousIntegrationBuild=true
 
       - name: Push to NuGet
         env:
diff --git a/ReqIFSharp.Extensions/ReqIFSharp.Extensions.csproj b/ReqIFSharp.Extensions/ReqIFSharp.Extensions.csproj
index 7e94748..4e044b2 100644
--- a/ReqIFSharp.Extensions/ReqIFSharp.Extensions.csproj
+++ b/ReqIFSharp.Extensions/ReqIFSharp.Extensions.csproj
@@ -4,6 +4,7 @@
       <TargetFramework>netstandard2.0</TargetFramework>
       <Version>5.0.5</Version>
       <LangVersion>12.0</LangVersion>
+      <Deterministic>true</Deterministic>
       <Title>ReqIFSharp.Extensions</Title>
       <Description>A .NET library that provides extenions and services to operate on ReqIF documents.</Description>
       <PackageId>ReqIFSharp.Extensions</PackageId>
diff --git a/ReqIFSharp/ReqIFSharp.csproj b/ReqIFSharp/ReqIFSharp.csproj
index e79684a..698f050 100644
--- a/ReqIFSharp/ReqIFSharp.csproj
+++ b/ReqIFSharp/ReqIFSharp.csproj
@@ -6,6 +6,7 @@
         <TargetFramework>netstandard2.0</TargetFramework>
         <Version>10.0.5</Version>
         <LangVersion>12.0</LangVersion>
+        <Deterministic>true</Deterministic>
         <Title>ReqIFSharp</Title>
         <Description>A .NET library to deserialize (read) and serialize (write) OMG ReqIF documents.</Description>
         <PackageId>ReqIFSharp</PackageId>