diff --git a/gnu/artwork.scm b/gnu/artwork.scm
index c3b1695ba7..94c89143a6 100644
--- a/gnu/artwork.scm
+++ b/gnu/artwork.scm
@@ -32,9 +32,9 @@ (define %artwork-repository
     (method git-fetch)
     (uri (git-reference
           (url "git://git.savannah.gnu.org/guix/guix-artwork.git")
-          (commit "61ae7c8")))
+          (commit "6998d30")))
     (sha256
      (base32
-      "102fxk2l6b0ibry3n430q8ljhwrnbml9qgalzkz6v09r7sx6a532"))))
+      "0k7j3pj9s3zqiqmfkapypssvzx3f12yr0cc2rbzxqfii0b4clp1j"))))
 
 ;;; artwork.scm ends here
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index c687b46bc2..8fd003f96a 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -192,7 +192,7 @@ (define %default-slim-theme
 (define %default-slim-theme-name
   ;; This must be the name of the sub-directory in %DEFAULT-SLIM-THEME that
   ;; contains the actual theme files.
-  "0.8")
+  "0.x")
 
 (define* (slim-service #:key (slim slim)
                        (allow-empty-passwords? #t) auto-login?
diff --git a/gnu/system/grub.scm b/gnu/system/grub.scm
index 17b08aa9b7..e49b6dbe54 100644
--- a/gnu/system/grub.scm
+++ b/gnu/system/grub.scm
@@ -80,7 +80,8 @@ (define-record-type* <grub-theme>
 (define %background-image
   (grub-image
    (aspect-ratio 4/3)
-   (file #~(string-append #$%artwork-repository "/grub/GuixSD-4-3.svg"))))
+   (file #~(string-append #$%artwork-repository
+                          "/grub/GuixSD-fully-black-4-3.svg"))))
 
 (define %default-theme
   ;; Default theme contributed by Felipe López.