diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 7a8bd9e600..ee0163b3ad 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -40625,22 +40625,23 @@ color in a Windows console.")
     (license (list license:unlicense
                    license:expat))))
 
-(define-public rust-win-crypto-ng-0.2
+(define-public rust-win-crypto-ng-0.4
   (package
     (name "rust-win-crypto-ng")
-    (version "0.2.1")
+    (version "0.4.0")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "win-crypto-ng" version))
         (file-name (string-append name "-" version ".tar.gz"))
         (sha256
-          (base32 "0ab0iwl4bmqvysypyn6xgax7rlh3w524jji2y1zfwfpdr7wwyv23"))))
+          (base32 "0v26ssjip8fdilj1j6csnvcny98gb90ra1qlnm2xwjlgivlr5kr4"))))
     (build-system cargo-build-system)
     (arguments
       `(#:skip-build? #t
         #:cargo-inputs
-        (("rust-doc-comment" ,rust-doc-comment-0.3)
+        (("rust-cipher" ,rust-cipher-0.2)
+         ("rust-doc-comment" ,rust-doc-comment-0.3)
          ("rust-rand-core" ,rust-rand-core-0.5)
          ("rust-winapi" ,rust-winapi-0.3)
          ("rust-zeroize" ,rust-zeroize-1))))