diff --git a/ultramarine/backgrounds/ultramarine-backgrounds.spec b/ultramarine/backgrounds/ultramarine-backgrounds.spec
index 6975fc9..4987c55 100644
--- a/ultramarine/backgrounds/ultramarine-backgrounds.spec
+++ b/ultramarine/backgrounds/ultramarine-backgrounds.spec
@@ -12,7 +12,7 @@ Requires: /usr/bin/ln
 Recommends: ultramarine-backgrounds-compat = %{version}-%{release}
 BuildRequires: make
 # licensing information
-Source0: https://github.com/Ultramarine-Linux/backgrounds/archive/refs/tags/39.tar.gz
+Source0: https://github.com/Ultramarine-Linux/backgrounds/archive/refs/tags/40.tar.gz
 Source1: 30_default_backgrounds.gschema.override
 # CC0 artworks