diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index f632bdd6ff..40f604df76 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -14686,14 +14686,14 @@ modes of SLIME.")
 (define-public emacs-sml-mode
   (package
     (name "emacs-sml-mode")
-    (version "6.9")
+    (version "6.10")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "https://elpa.gnu.org/packages/sml-mode-"
                            version ".el"))
        (sha256
-        (base32 "1bdg9ywpvj85hxqah9w1raxlcrhkyx67nw22jwd1bd5j0fhmgqij"))))
+        (base32 "01yf0s474r9xhj6nbs14ljn9ccxb5yy758i17c8nmgmqvm8fx7sb"))))
     (build-system emacs-build-system)
     (home-page "https://elpa.gnu.org/packages/sml-mode.html")
     (synopsis "Major mode for editing (Standard) ML")