diff --git a/guix/import/crate.scm b/guix/import/crate.scm
index 57823c3639..0b4482e876 100644
--- a/guix/import/crate.scm
+++ b/guix/import/crate.scm
@@ -112,7 +112,7 @@ (define (crate-version-dependencies version)
          (url  (string-append (%crate-base-url) path)))
     (match (assoc-ref (or (json-fetch url) '()) "dependencies")
       ((? vector? vector)
-       (map json->crate-dependency (vector->list vector)))
+       (delete-duplicates (map json->crate-dependency (vector->list vector))))
       (_
        '()))))