diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index ba602a27b5..661e8227a5 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -1460,6 +1460,40 @@ (define-public rust-bindgen-0.37
         ("rust-diff" ,rust-diff-0.1)
         ("rust-shlex" ,rust-shlex-0.1))))))
 
+(define-public rust-bindgen-0.49
+  (package/inherit rust-bindgen-0.50
+    (name "rust-bindgen")
+    (version "0.49.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "bindgen" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "0vjacbvashvds5rbrlqvq5fy55wmp50iia3mnczvycap7mzhh1sc"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:cargo-inputs
+       (("rust-bitflags" ,rust-bitflags-1)
+        ("rust-cexpr" ,rust-cexpr-0.3)
+        ("rust-cfg-if" ,rust-cfg-if-0.1)
+        ("rust-clang-sys" ,rust-clang-sys-0.28)
+        ("rust-clap" ,rust-clap-2)
+        ("rust-env-logger" ,rust-env-logger-0.6)
+        ("rust-fxhash" ,rust-fxhash-0.2)
+        ("rust-lazy-static" ,rust-lazy-static-1)
+        ("rust-log" ,rust-log-0.4)
+        ("rust-peeking-take-while" ,rust-peeking-take-while-0.1)
+        ("rust-proc-macro2" ,rust-proc-macro2-0.4)
+        ("rust-quote" ,rust-quote-0.6)
+        ("rust-regex" ,rust-regex-1.1)
+        ("rust-shlex" ,rust-shlex-0.1)
+        ("rust-which" ,rust-which-2.0))
+       #:cargo-development-inputs
+       (("rust-clap" ,rust-clap-2)
+        ("rust-diff" ,rust-diff-0.1)
+        ("rust-shlex" ,rust-shlex-0.1))))))
+
 (define-public rust-bindgen-0.33
   (package
     (inherit rust-bindgen-0.50)