diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index b444183a66..408aef2e61 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -14281,6 +14281,27 @@ for arbitrary structs.")
        #:cargo-development-inputs
        (("rust-pretty-assertions" ,rust-pretty-assertions-0.6))))))
 
+(define-public rust-derive-builder-core-0.5
+  (package
+    (inherit rust-derive-builder-core-0.9)
+    (name "rust-derive-builder-core")
+    (version "0.5.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "derive_builder_core" version))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32 "0drbjk6n8ywls8cmhp4r8xkyjsja0wk3854cn5mj8g1km4ys5202"))))
+    (arguments
+      `(#:skip-build? #t
+        #:cargo-inputs
+        (("rust-darling" ,rust-darling-0.9)
+         ("rust-log" ,rust-log-0.4)
+         ("rust-proc-macro2" ,rust-proc-macro2-0.4)
+         ("rust-quote" ,rust-quote-0.6)
+         ("rust-syn" ,rust-syn-0.15))))))
+
 (define-public rust-derive-builder-core-0.2
   (package
     (inherit rust-derive-builder-core-0.9)