diff --git a/appveyor.yml b/appveyor.yml
index 27f42c02..3f95d10f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -36,6 +36,12 @@ environment:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       TOOLSET: msvc-14.1
       CXXSTD: latest
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang-win
+      CXXSTD: 14
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang-win
+      CXXSTD: 17
 
 install:
   - set BOOST_BRANCH=develop