diff --git a/.github/workflows/ci_build.yml b/.github/workflows/ci_build.yml
index 18378304..fa717db4 100644
--- a/.github/workflows/ci_build.yml
+++ b/.github/workflows/ci_build.yml
@@ -21,7 +21,7 @@ jobs:
       - name: 🥅 Install .Net 8
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: '8.0.x'
+          dotnet-version: '9.0.x'
           dotnet-quality: 'preview'
       - name: 🔍 Enable problem matchers
         run: echo "::add-matcher::.github/matchers/dotnet.json"
diff --git a/.github/workflows/push_nuget_prerelease.yml b/.github/workflows/push_nuget_prerelease.yml
index e0ebae9e..21300aac 100644
--- a/.github/workflows/push_nuget_prerelease.yml
+++ b/.github/workflows/push_nuget_prerelease.yml
@@ -45,7 +45,7 @@ jobs:
       - name: 🥅 Install .Net 8
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: '8.0.x'
+          dotnet-version: '9.0.x'
           dotnet-quality: 'preview'
       - name: 🔖 Set version number
         run: |
diff --git a/.github/workflows/tags_nuget.yml b/.github/workflows/tags_nuget.yml
index 55c3554b..3ea478b0 100644
--- a/.github/workflows/tags_nuget.yml
+++ b/.github/workflows/tags_nuget.yml
@@ -26,7 +26,7 @@ jobs:
       - name: 🥅 Install .Net 8
         uses: actions/setup-dotnet@v3
         with:
-          dotnet-version: "8.0.x" # SDK Version
+          dotnet-version: "9.0.x" # SDK Version
 
       - name: 🔖 Set version number
         run: |