diff --git a/appveyor.yml b/appveyor.yml
index 28a187c..e78617c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -23,13 +23,24 @@ environment:
       TOOLSET: msvc-14.1
       CXXSTD: 14,17
       ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      TOOLSET: clang
+      CXXSTD: 03,11,14,17
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
       ADDPATH: C:\cygwin\bin;
-      TOOLSET: gcc,clang
+      TOOLSET: gcc
       CXXSTD: 03,11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
       ADDPATH: C:\cygwin64\bin;
-      TOOLSET: gcc,clang
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
+      ADDPATH: C:\mingw\bin;
+      TOOLSET: gcc
+      CXXSTD: 03,11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
+      ADDPATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;
+      TOOLSET: gcc
       CXXSTD: 03,11,14,1z
 
 install: