diff --git a/.github/workflows/codebreaker-lib-cosmos-stable.yml b/.github/workflows/codebreaker-lib-cosmos-stable.yml
index e2ca87a..7ccd2c3 100644
--- a/.github/workflows/codebreaker-lib-cosmos-stable.yml
+++ b/.github/workflows/codebreaker-lib-cosmos-stable.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with: 
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Build the library
         run: dotnet build -c Release ${{ env.solutionfile-path }}
diff --git a/.github/workflows/codebreaker-lib-cosmos.yml b/.github/workflows/codebreaker-lib-cosmos.yml
index 716aa32..7ac7e32 100644
--- a/.github/workflows/codebreaker-lib-cosmos.yml
+++ b/.github/workflows/codebreaker-lib-cosmos.yml
@@ -22,7 +22,7 @@ jobs:
       version-offset: 10
       solutionfile-path: src/Codebreaker.Backend.Cosmos.sln
       projectfile-path: src/services/common/Codebreaker.Data.Cosmos/Codebreaker.Data.Cosmos.csproj
-      dotnet-version: '8.0.x'
+      dotnet-version: '9.0.x'
       artifact-name: codebreaker-cosmos
       branch-name: main
 
diff --git a/.github/workflows/codebreaker-lib-sqlserver-stable.yml b/.github/workflows/codebreaker-lib-sqlserver-stable.yml
index 000d3e7..ee33884 100644
--- a/.github/workflows/codebreaker-lib-sqlserver-stable.yml
+++ b/.github/workflows/codebreaker-lib-sqlserver-stable.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with: 
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Build the library
         run: dotnet build -c Release ${{ env.solutionfile-path }}
diff --git a/.github/workflows/codebreaker-lib-sqlserver.yml b/.github/workflows/codebreaker-lib-sqlserver.yml
index cb4cf52..f461614 100644
--- a/.github/workflows/codebreaker-lib-sqlserver.yml
+++ b/.github/workflows/codebreaker-lib-sqlserver.yml
@@ -22,7 +22,7 @@ jobs:
       version-offset: 10
       solutionfile-path: src/Codebreaker.Backend.SqlServer.sln
       projectfile-path: src/services/common/Codebreaker.Data.SqlServer/Codebreaker.Data.SqlServer.csproj
-      dotnet-version: '8.0.x'
+      dotnet-version: '9.0.x'
       artifact-name: codebreaker-sqlserver
       branch-name: main
 
diff --git a/src/services/common/Codebreaker.Data.Cosmos/Codebreaker.Data.Cosmos.csproj b/src/services/common/Codebreaker.Data.Cosmos/Codebreaker.Data.Cosmos.csproj
index 393d8ee..320e2d6 100644
--- a/src/services/common/Codebreaker.Data.Cosmos/Codebreaker.Data.Cosmos.csproj
+++ b/src/services/common/Codebreaker.Data.Cosmos/Codebreaker.Data.Cosmos.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <PackageId>CNinnovation.Codebreaker.Cosmos</PackageId>
-    <TargetFrameworks>net8.0</TargetFrameworks>
+    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <PackageTags>
@@ -14,11 +14,12 @@
     </Description>
     <PackageReadmeFile>readme.md</PackageReadmeFile>
     <PackageIcon>codebreaker.jpeg</PackageIcon>
+    <Version>3.8.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CNinnovation.Codebreaker.BackendModels" Version="3.8.0-preview.1.32" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Cosmos" Version="8.0.8" />
+    <PackageReference Include="CNinnovation.Codebreaker.BackendModels" Version="3.8.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Cosmos" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>