[nautilus/fixing-CI] This is not gonna work...is it?

[Carlos Soriano <csoriano src gnome org>]

commit a83b6777caf03bd71745cc836fef002c66774ed8
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Fri May 18 07:19:14 2018 +0000

    This is not gonna work...is it?

 build-aux/flatpak/org.gnome.Nautilus.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Nautilus.json b/build-aux/flatpak/org.gnome.Nautilus.json
index 94f24612c..85c2d9531 100644
--- a/build-aux/flatpak/org.gnome.Nautilus.json
+++ b/build-aux/flatpak/org.gnome.Nautilus.json
@@ -20,7 +20,7 @@
         {
             "name": "meson",
             "buildsystem": "simple",
-            "build-commands": ["pip3 install meson"]
+            "build-commands": ["pip3 install meson --upgrade"]
         },
         {
             "name": "exiv2",