diff --git a/images/gentoo.yaml b/images/gentoo.yaml
index aae581a3..e293e477 100644
--- a/images/gentoo.yaml
+++ b/images/gentoo.yaml
@@ -293,6 +293,9 @@ source:
     -----END PGP PUBLIC KEY BLOCK-----
 
 targets:
+  incus:
+    vm:
+      size: 4831838208
   lxc:
     create_message: |
       You just created an {{ image.description }} container.