diff --git a/appveyor.yml b/appveyor.yml
index d442c416f3f..255df279c7f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,7 +18,7 @@ init:
     }
 
 install:
-- sh: sudo apt-get install pkg-config libxss-dev libsecret-1-dev rpm
+- sh: sudo apt-get -y install pkg-config libxss-dev libsecret-1-dev rpm
 - ps: $env:package_version = (Get-Content -Raw -Path .\src\package.json | ConvertFrom-Json).version
 - ps: |
     if($isWindows) {