diff --git a/scripts/dev/Makefile-dmg b/scripts/dev/Makefile-dmg
index 1ecdb1514..fb3535c98 100644
--- a/scripts/dev/Makefile-dmg
+++ b/scripts/dev/Makefile-dmg
@@ -24,7 +24,7 @@ SOURCE_DIR ?= .
 SOURCE_FILES ?= dist/qutebrowser.app COPYING
 
 TEMPLATE_DMG ?= template.dmg
-TEMPLATE_SIZE ?= 120m
+TEMPLATE_SIZE ?= 300m
 
 ################################################################################
 # DMG building. No editing should be needed beyond this point.