diff --git a/build/darwin/dmg-settings.py.template b/build/darwin/dmg-settings.py.template
index f471029f32a..1d53c5df3fc 100644
--- a/build/darwin/dmg-settings.py.template
+++ b/build/darwin/dmg-settings.py.template
@@ -7,7 +7,7 @@ badge_icon = {{BADGE_ICON}}
 background = {{BACKGROUND}}
 
 # Volume size
-size = '1g'
+size = '1.5g'
 shrink = False
 
 # Files and symlinks