diff --git a/.appveyor/appveyor_msvc.bat b/.appveyor/appveyor_msvc.bat
index 67ef3647101..c24e980dbe4 100644
--- a/.appveyor/appveyor_msvc.bat
+++ b/.appveyor/appveyor_msvc.bat
@@ -7,13 +7,13 @@ python -m pip install --upgrade pip
 python -m pip --version
 if "%buildsystem%" == "scons" (
     rem Install Mako
-    python -m pip install Mako==1.0.7
+    python -m pip install Mako==1.1.3
     rem Install pywin32 extensions, needed by SCons
     python -m pip install pypiwin32
     rem Install python wheels, necessary to install SCons via pip
     python -m pip install wheel
     rem Install SCons
-    python -m pip install scons==3.0.1
+    python -m pip install scons==3.1.2
     call scons --version
 ) else (
     python -m pip install Mako meson
@@ -44,7 +44,7 @@ goto :eof
 
 :build_script
 if "%buildsystem%" == "scons" (
-    call scons -j%NUMBER_OF_PROCESSORS% MSVC_VERSION=14.1 llvm=1
+    call scons -j%NUMBER_OF_PROCESSORS% MSVC_VERSION=14.2 machine=x86 llvm=1
 ) else (
     call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat" -arch=x86
     rem We use default-library as static to affect any wraps (such as expat and zlib)
@@ -59,7 +59,7 @@ goto :eof
 
 :test_script
 if "%buildsystem%" == "scons" (
-    call scons -j%NUMBER_OF_PROCESSORS% MSVC_VERSION=14.1 llvm=1 check
+    call scons -j%NUMBER_OF_PROCESSORS% MSVC_VERSION=14.2 machine=x86 llvm=1 check
 ) else (
     call meson test -C builddir
 )
diff --git a/appveyor.yml b/appveyor.yml
index 1fb2f58e08f..f66689ea4bb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -40,7 +40,7 @@ cache:
 - llvm-5.0.1-msvc2017-mtd.7z
 - subprojects\packagecache -> subprojects\*.wrap
 
-os: Visual Studio 2017
+os: Visual Studio 2019
 
 init:
 # Appveyor defaults core.autocrlf to input instead of the default (true), but
@@ -48,6 +48,7 @@ init:
 - git config --global core.autocrlf true
 
 environment:
+  Path: C:\Python38-x64;C:\Python38-x64\Scripts;%Path%
   WINFLEXBISON_VERSION: 2.5.15
   LLVM_ARCHIVE: llvm-5.0.1-msvc2017-mtd.7z
   matrix: