diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 93eb537cd..82caa224d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -72,7 +72,7 @@ jobs:
       Platform: ${{ matrix.platform }}
       DOTNET_INSTALL_DIR: '.\.dotnet' 
       DOTNET_VERSION: '9.x'
-      DOTNET_QUALITY: 'ga'
+      DOTNET_QUALITY: 'signed'
       NUGET_PACKAGES: ${{ github.workspace }}/.nuget/packages
 
     steps:
diff --git a/appveyor.yml b/appveyor.yml
index 8f8321607..2ec9a59ba 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -28,17 +28,16 @@ for:
     - cmd: >-
         echo Init submodules
         
-        git submodule update --init --force --depth=20 --recursive --jobs=4
-          
-        echo Install dotnet sdk
-        
-        choco install dotnet-sdk --pre
-        
-        dotnet --version
-        
-        echo.
+        git submodule update --init --force --recursive --jobs=4
 
+    - ps: >-
+        Invoke-WebRequest 'https://dot.net/v1/dotnet-install.ps1' -OutFile 'dotnet-install.ps1'
 
+        ./dotnet-install.ps1 -Channel 9.0 -InstallDir "C:\Program Files\dotnet" -Quality signed -Verbose
+
+        RefreshEnv
+
+        dotnet --version
 
     build_script:
     - cmd: >-