diff --git a/appveyor.yml b/appveyor.yml
index 080744af..d9a1c8da 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,7 +18,7 @@ environment:
 
 install:
 - c:\msys64\usr\bin\bash -lc "pacman --needed --noconfirm -Sy bash pacman pacman-mirrors msys2-runtime"
-- c:\msys64\usr\bin\bash -lc "pacman --needed --noconfirm -Su"
+- c:\msys64\usr\bin\bash -lc "pacman --noconfirm -Su"
 - if "%MSYSTEM%" == "MINGW64" (
     c:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-boost mingw-w64-x86_64-miniupnpc"
   ) else (