diff --git a/.appveyor.yml b/.appveyor.yml
index 6b487f6..f0cf267 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,44 +1,55 @@
-configuration:
-  - Debug
-
 build:
   verbosity: detailed
 
 environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: Win32
       PYTHON: "C:\\Python38"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: Win32
       PYTHON: "C:\\Python38"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: Win32
       PYTHON: "C:\\Python38"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 11
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 14
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Debug
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 17
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Debug
+      GENERATOR_ARCH: x64
+      PYTHON: "C:\\Python38-x64"
+      CXX_STANDARD: 20
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      BUILD_TYPE: Release
       GENERATOR_ARCH: x64
       PYTHON: "C:\\Python38-x64"
       CXX_STANDARD: 20
@@ -59,5 +70,6 @@ build_script:
     -DSAMPLES_BUILD_WITH_LOCAL_VULKAN_HPP=ON 
     -DTESTS_BUILD_ONLY_DYNAMIC=ON 
     -DTESTS_BUILD_WITH_LOCAL_VULKAN_HPP=ON
+    -DCMAKE_BUILD_TYPE=%BUILD_TYPE%
     -DCMAKE_CXX_STANDARD=%CXX_STANDARD%
   - cmake --build . --config %CONFIGURATION%