diff --git a/Janus/WebRtcJanusService.csproj b/Janus/WebRtcJanusService.csproj
index a15afd6..4f4b3dc 100644
--- a/Janus/WebRtcJanusService.csproj
+++ b/Janus/WebRtcJanusService.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+<Version>1.0.4</Version>
     <PreserveCompilationContext>false</PreserveCompilationContext>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
@@ -27,6 +28,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
@@ -50,6 +52,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..ee90284
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.0.4
diff --git a/WebRtcVoice/WebRtcVoice.csproj b/WebRtcVoice/WebRtcVoice.csproj
index f7be691..fb8456b 100644
--- a/WebRtcVoice/WebRtcVoice.csproj
+++ b/WebRtcVoice/WebRtcVoice.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+<Version>1.0.4</Version>
     <PreserveCompilationContext>false</PreserveCompilationContext>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
@@ -27,6 +28,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
@@ -50,6 +52,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
diff --git a/WebRtcVoiceRegionModule/WebRtcVoiceRegionModule.csproj b/WebRtcVoiceRegionModule/WebRtcVoiceRegionModule.csproj
index 3294039..8d966ba 100644
--- a/WebRtcVoiceRegionModule/WebRtcVoiceRegionModule.csproj
+++ b/WebRtcVoiceRegionModule/WebRtcVoiceRegionModule.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+<Version>1.0.4</Version>
     <PreserveCompilationContext>false</PreserveCompilationContext>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
@@ -27,6 +28,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
@@ -50,6 +52,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
diff --git a/WebRtcVoiceServiceModule/WebRtcVoiceServiceModule.csproj b/WebRtcVoiceServiceModule/WebRtcVoiceServiceModule.csproj
index 3c6e6e2..bb9f928 100644
--- a/WebRtcVoiceServiceModule/WebRtcVoiceServiceModule.csproj
+++ b/WebRtcVoiceServiceModule/WebRtcVoiceServiceModule.csproj
@@ -2,6 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+<Version>1.0.4</Version>
     <PreserveCompilationContext>false</PreserveCompilationContext>
     <OutputType>Library</OutputType>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
@@ -27,6 +28,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
@@ -50,6 +52,7 @@
     <TieredCompilationQuickJit>false</TieredCompilationQuickJit>
     <UseCommonOutputDirectory>True</UseCommonOutputDirectory>
     <AppendTargetFrameworkToOutputPath>False</AppendTargetFrameworkToOutputPath>
+<Version>1.0.4</Version>
     <AppendRuntimeIdentifierToOutputPath>False</AppendRuntimeIdentifierToOutputPath>
     <OutputPath>../../../bin/</OutputPath>
     <RegisterForComInterop>False</RegisterForComInterop>
diff --git a/updateVersion.sh b/updateVersion.sh
new file mode 100755
index 0000000..6459a05
--- /dev/null
+++ b/updateVersion.sh
@@ -0,0 +1,14 @@
+#! /bin/bash
+# Script to add the number from the VERSION file to the .csproj of the sub-projects
+# Run this just after running runprebuild.sh to add versions to the .csproj files.
+
+BASE=$(pwd)
+
+VERSION=$(cat VERSION)
+
+for proj in Janus WebRtcVoice WebRtcVoiceRegionModule WebRtcVoiceServiceModule ; do
+    cd "$BASE"
+    cd "$proj"
+    sed -i "/TargetFramework/a <Version>$VERSION</Version>" *.csproj
+    #dotnet msbuild -t:UpdateVersion -p:Version=$VERSION
+done