diff --git a/astroslide.yaml b/astroslide.yaml
index 8749fac..db8ad84 100644
--- a/astroslide.yaml
+++ b/astroslide.yaml
@@ -110,7 +110,7 @@ actions:
 {{ if eq $output "image" }}
   - action: image-file
     imagename: {{ $image }}
-    imagesize: 6000000000
+    imagesize: 8000000000
 
     fs: ext4
     fsname: "gemian"