diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 4bc159481e..b532317043 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -8150,7 +8150,7 @@ (define-public ocaml-uucp
 (define-public ocaml-uuseg
   (package
     (name "ocaml-uuseg")
-    (version "14.0.0")
+    (version "15.0.0")
     (source
      (origin
        (method url-fetch)
@@ -8158,7 +8158,7 @@ (define-public ocaml-uuseg
                            "uuseg-" version ".tbz"))
        (sha256
         (base32
-         "1g9zyzjkhqxgbb9mh3cgaawscwdazv6y8kdqvmy6yhnimmfqv25p"))))
+         "1qz130wlmnvb6j7kpvgjlqmdm2jqid4wb1dmrsls4hdm4rp7gk5b"))))
     (build-system ocaml-build-system)
     (arguments
      '(#:build-flags '("build" "--tests" "true")