diff --git a/.appveyor.yml b/.appveyor.yml
index 3d3784cb..d5ba2b48 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -39,9 +39,10 @@ install:
   - set PATH=c:\msys64\%MSYSTEM%\bin;c:\msys64\usr\bin;%PATH%
   - if defined MSVC call "c:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %MSVC%
   - if defined MSVC pacman --noconfirm -Rsc mingw-w64-%CPU%-gcc gcc
-  - pacman-key --init
-  - pacman-key --populate msys2
-  - pacman -Sy --noconfirm msys2-keyring
+  - bash -c "sed -i 's/^SigLevel.*/SigLevel = Never/' /etc/pacman.conf"
+  - pacman --noconfirm -Syuu
+  - pacman --noconfirm -S msys2-keyring
+  - bash -c "sed -i 's/^SigLevel = Never/SigLevel    = Required DatabaseOptional/' /etc/pacman.conf"
   - pacman --noconfirm -Syuu
   - pacman --noconfirm -S autoconf