diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index b3fbeb56ad..e3db1c5a1d 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -6231,8 +6231,33 @@ system calls.  Second, exposing the internal buffer allows the user to work
 with data in place, which avoids another copy.")
     (license license:gpl3)))
 
+(define-public rust-buffering-0.4
+  (package
+    (name "rust-buffering")
+    (version "0.4.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "buffering" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "1wmgy84j5scbndzx7mccz07z34n98fwnfah1zd5kzqjaif5iqk76"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-buffering-nocopy-macro" ,rust-buffering-nocopy-macro-0.2))))
+    (home-page "https://github.com/jbaublitz/buffering")
+    (synopsis "Library primarily designed for network packet buffer operations")
+    (description
+     "This package provides a library primarily designed for network packet
+buffer operations.")
+    (license license:bsd-3)))
+
 (define-public rust-buffering-0.3
   (package
+    (inherit rust-buffering-0.4)
     (name "rust-buffering")
     (version "0.3.4")
     (source
@@ -6243,17 +6268,10 @@ with data in place, which avoids another copy.")
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "11cyq2nm569j028g93jxk00h8nfwc3l6n3hqw79w34na01p3lq97"))))
-    (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
-       (("rust-buffering-nocopy-macro" ,rust-buffering-nocopy-macro-0.1))))
-    (home-page "https://github.com/jbaublitz/buffering")
-    (synopsis "Library primarily designed for network packet buffer operations")
-    (description
-     "This package provides a library primarily designed for network packet
-buffer operations.")
-    (license license:bsd-3)))
+       (("rust-buffering-nocopy-macro" ,rust-buffering-nocopy-macro-0.1))))))
 
 (define-public rust-buffering-nocopy-macro-0.2
   (package