diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 10e19d4114780198ddf17dc163f484e7af88123f..72bc1ad6429c211bcb1f5cb262da9da437f52c7e 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -7733,7 +7733,7 @@ (define-public rust-rand-chacha-0.1
 (define-public rust-rand-core-0.5
   (package
     (name "rust-rand-core")
-    (version "0.5.0")
+    (version "0.5.1")
     (source
      (origin
        (method url-fetch)
@@ -7742,14 +7742,13 @@ (define-public rust-rand-core-0.5
         (string-append name "-" version ".tar.gz"))
        (sha256
         (base32
-         "1jis94x9ri8xlxki2w2w5k29sjpfwgzkjylg7paganp74hrnhpk1"))))
+         "06bdvx08v3rkz451cm7z59xwwqn1rkfh6v9ay77b14f8dwlybgch"))))
     (build-system cargo-build-system)
     (arguments
      `(#:skip-build? #t
        #:cargo-inputs
        (("rust-getrandom" ,rust-getrandom-0.1)
-        ("rust-serde" ,rust-serde-1.0)
-        ("rust-serde-derive" ,rust-serde-derive-1.0))))
+        ("rust-serde" ,rust-serde-1.0))))
     (home-page "https://crates.io/crates/rand-core")
     (synopsis
      "Core random number generator traits and tools for implementation")