upgrade msys try get the soft
diff --git a/build/appveyor/MING-appveyor-install.bat b/build/appveyor/MING-appveyor-install.bat
index d06e030..4d49d40 100644
--- a/build/appveyor/MING-appveyor-install.bat
+++ b/build/appveyor/MING-appveyor-install.bat
@@ -25,9 +25,6 @@
CALL cl_setenv.bat || EXIT /B
CALL cl_showenv.bat || EXIT /B
-SET BOOSTPKG=mingw-w64-x86_64-boost-1.71.0-1-any.pkg.tar.xz
-SET IGNORE=--ignore mingw-w64-x86_64-boost
-
SET PACKAGES=^
--needed -S bison flex make ^
mingw-w64-%MINGWPLAT%-boost ^
@@ -50,7 +47,13 @@
:: Upgrade things
:: %BASH% -lc "pacman --noconfirm -Syu %IGNORE%" || EXIT /B
:: %BASH% -lc "pacman --noconfirm -Su %IGNORE%" || EXIT /B
-::
-%BASH% -lc "pacman -Scc" || EXIT /B
-%BASH% -lc "pacman -Syyu" || EXIT /B
-%BASH% -lc "pacman --noconfirm %PACKAGES%" || EXIT /B
+
+:: Updata the new key
+%BASH% -lc "curl -O http://repo.msys2.org/msys/x86_64/msys2-keyring-r21.b39fb11-1-any.pkg.tar.xz" || EXIT /B
+%BASH% -lc "curl -O http://repo.msys2.org/msys/x86_64/msys2-keyring-r21.b39fb11-1-any.pkg.tar.xz.sig" || EXIT /B
+%BASH% -lc "pacman-key --verify msys2-keyring-r21.b39fb11-1-any.pkg.tar.xz.sig" || EXIT /B
+%BASH% -lc "pacman --noconfirm -U --config <(echo) msys2-keyring-r21.b39fb11-1-any.pkg.tar.xz" || EXIT /B
+:: Upgrade things
+%BASH% -lc "pacman --noconfirm -Sy" || EXIT /B
+%BASH% -lc "pacman --noconfirm -Sydd pacman" || EXIT /B
+%BASH% -lc "pacman --noconfirm %PACKAGES%" || EXIT /B
diff --git a/build/appveyor/MSYS-appveyor-install.bat b/build/appveyor/MSYS-appveyor-install.bat
index 6357f23..a818df3 100644
--- a/build/appveyor/MSYS-appveyor-install.bat
+++ b/build/appveyor/MSYS-appveyor-install.bat
@@ -26,7 +26,7 @@
CALL cl_showenv.bat || EXIT /B
:: We're going to keep boost at a version cmake understands
-SET BOOSTPKG=mingw-w64-x86_64-boost-1.71.0-1-any.pkg.tar.xz
+SET BOOSTPKG=mingw-w64-x86_64-boost-1.64.0-3-any.pkg.tar.xz
SET IGNORE=--ignore mingw-w64-x86_64-boost
SET PACKAGES=^