diff --git a/appveyor.yml b/appveyor.yml
index 80a039832d..98895c8f81 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -156,14 +156,15 @@ for:
       - sh: sudo ls /etc/apt/sources.list.d/
       #- sh: sudo rm /etc/apt/sources.list.d/github_git-lfs.list
       #- sh: sudo apt update -qq
+      - sh: sudo apt-get update -yy
+      - sh: sudo apt-get upgrade -yy
+      - sh: sudo apt-get update -yy
       - sh: if [ "$INSTALL_QMAKE5" = true ]; then sudo apt install -y build-essential git mesa-common-dev libglu1-mesa-dev qt5-qmake cmake; fi            
       - sh: if [ "$INSTALL_QMAKE5" = false ]; then sudo apt install -y build-essential git mesa-common-dev libglu1-mesa-dev cmake; fi            
       - sh: echo QTDIR=$QTDIR
       - sh: echo QT_DIR=$QT_DIR
       - sh: echo Qt5_DIR=$Qt5_DIR
       - sh: echo PATH=$PATH
-      - sh: sudo apt-get upgrade -yy
-      - sh: sudo apt-get update -yy
       # Install OpenCV
       - sh: |
             if [ "$USE_CMAKE" = true ]; then