diff --git a/build_aspnet.bat b/build_aspnet.bat
index 085afade..2f6b89e7 100644
--- a/build_aspnet.bat
+++ b/build_aspnet.bat
@@ -7,13 +7,13 @@ set version_build=%version_prefix%
 
 call :read_params %*
 
-msbuild NLog.Web.sln /t:restore,rebuild /p:configuration=release /verbosity:minimal
+msbuild NLog.Web.sln /t:restore,rebuild /p:configuration=release /p:ContinuousIntegrationBuild=true /verbosity:minimal
 IF ERRORLEVEL 1 EXIT /B 1
 
-msbuild src\NLog.Web /t:rebuild,pack /p:configuration=release /verbosity:minimal /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:VersionPrefix=%version_prefix% /p:FileVersion=%version_build% /p:VersionSuffix=%version_suffix%
+msbuild src\NLog.Web /t:rebuild,pack /p:configuration=release /verbosity:minimal /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:ContinuousIntegrationBuild=true /p:VersionPrefix=%version_prefix% /p:FileVersion=%version_build% /p:VersionSuffix=%version_suffix%
 IF ERRORLEVEL 1 EXIT /B 1
 
-msbuild src\NLog.Web.AspNetCore /t:rebuild,pack /p:configuration=release /verbosity:minimal /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:VersionPrefix=%version_prefix% /p:FileVersion=%version_build% /p:VersionSuffix=%version_suffix%
+msbuild src\NLog.Web.AspNetCore /t:rebuild,pack /p:configuration=release /verbosity:minimal /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:ContinuousIntegrationBuild=true /p:VersionPrefix=%version_prefix% /p:FileVersion=%version_build% /p:VersionSuffix=%version_suffix%
 IF ERRORLEVEL 1 EXIT /B 1
 
 rem read pass parameters by name
@@ -31,4 +31,4 @@ if not %1/==/ (
     shift
     goto read_params
 )
-exit /B
\ No newline at end of file
+exit /B
diff --git a/src/NLog.Web.AspNetCore/NLog.Web.AspNetCore.csproj b/src/NLog.Web.AspNetCore/NLog.Web.AspNetCore.csproj
index b96c12b2..feab8973 100644
--- a/src/NLog.Web.AspNetCore/NLog.Web.AspNetCore.csproj
+++ b/src/NLog.Web.AspNetCore/NLog.Web.AspNetCore.csproj
@@ -42,6 +42,7 @@ See also https://github.com/NLog/NLog.Web/releases
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyTitle>$(Title)</AssemblyTitle>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources> <!-- EmbedUntrackedSources for deterministic build -->
   </PropertyGroup>
   <ItemGroup>
     <None Include="N.png" Pack="true" PackagePath=""/>
diff --git a/src/NLog.Web/NLog.Web.csproj b/src/NLog.Web/NLog.Web.csproj
index 12035ce7..619ac564 100644
--- a/src/NLog.Web/NLog.Web.csproj
+++ b/src/NLog.Web/NLog.Web.csproj
@@ -36,6 +36,7 @@ For ASP.NET Core: Check https://www.nuget.org/packages/NLog.Web.AspNetCore
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyTitle>$(Title)</AssemblyTitle>
     <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources> <!-- EmbedUntrackedSources for deterministic build -->
   </PropertyGroup>
   <ItemGroup>
     <None Include="N.png" Pack="true" PackagePath=""/>