diff --git a/gnu/packages/crates-gtk.scm b/gnu/packages/crates-gtk.scm
index f389c707d6..99b8c08a4f 100644
--- a/gnu/packages/crates-gtk.scm
+++ b/gnu/packages/crates-gtk.scm
@@ -1230,21 +1230,52 @@
        (("rust-shell-words" ,rust-shell-words-0.1)
         ("rust-tempfile" ,rust-tempfile-3))))))
 
-(define-public rust-gobject-sys-0.14
+(define-public rust-gobject-sys-0.15
   (package
     (name "rust-gobject-sys")
-    (version "0.14.0")
+    (version "0.15.10")
     (source
      (origin
        (method url-fetch)
        (uri (crate-uri "gobject-sys" version))
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
-        (base32 "1xf3jiwzrjingq8jr15bjkbv6m5dypzp67cjnm5f7njrjzicm4ma"))))
+        (base32 "02hyilvpi4hw4gr03z2plsbf1zicsfs5l0xxadqx3v3b4i2cwmqd"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:skip-build?
-       #t
+     `(;; FIXME: Constant value mismatch for G_TYPE_FUNDAMENTAL_MAX
+       ;; Rust: "255"
+       ;; C:    "1020"
+       #:tests? #f
+       #:cargo-inputs
+       (("rust-glib-sys" ,rust-glib-sys-0.15)
+        ("rust-libc" ,rust-libc-0.2)
+        ("rust-system-deps" ,rust-system-deps-6))
+       #:cargo-development-inputs
+       (("rust-shell-words" ,rust-shell-words-1)
+        ("rust-tempfile" ,rust-tempfile-3))))
+    (native-inputs
+     (list pkg-config))
+    (inputs
+     (list glib))
+    (home-page "https://gtk-rs.org/")
+    (synopsis "FFI bindings to libgobject-2.0")
+    (description "This package provides FFI bindings to libgobject-2.0.")
+    (license license:expat)))
+
+(define-public rust-gobject-sys-0.14
+  (package
+    (inherit rust-gobject-sys-0.15)
+    (version "0.14.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "gobject-sys" version))
+       (file-name (string-append "rust-gobject-sys-" version ".tar.gz"))
+       (sha256
+        (base32 "1xf3jiwzrjingq8jr15bjkbv6m5dypzp67cjnm5f7njrjzicm4ma"))))
+    (arguments
+     `(#:skip-build? #t
        #:cargo-inputs
        (("rust-glib-sys" ,rust-glib-sys-0.14)
         ("rust-libc" ,rust-libc-0.2)
@@ -1252,12 +1283,7 @@
        #:cargo-development-inputs
        (("rust-shell-words" ,rust-shell-words-0.1)
         ("rust-tempfile" ,rust-tempfile-3))))
-    (inputs
-     (list glib))
-    (home-page "https://gtk-rs.org/")
-    (synopsis "FFI bindings to libgobject-2.0")
-    (description "This package provides FFI bindings to libgobject-2.0.")
-    (license license:expat)))
+    (native-inputs '())))
 
 (define-public rust-gobject-sys-0.10
   (package