diff --git a/gnu/packages/libidn.scm b/gnu/packages/libidn.scm
index 4dde53e382..e21cbb0e69 100644
--- a/gnu/packages/libidn.scm
+++ b/gnu/packages/libidn.scm
@@ -34,14 +34,14 @@ (define-module (gnu packages libidn)
 (define-public libidn
   (package
    (name "libidn")
-   (version "1.37")
+   (version "1.38")
    (source (origin
             (method url-fetch)
             (uri (string-append "mirror://gnu/libidn/libidn-" version
                                 ".tar.gz"))
             (sha256
              (base32
-              "1hljls9rkilh04dwiwg388wk8djkac8idijrdysqq2nqbh6rg3iw"))))
+              "1xphpfw58il0vb14nvd0rgfkacj76rchv8nr9nqkpkapyx0bh06y"))))
    (build-system gnu-build-system)
    ;; FIXME: No Java and C# libraries are currently built.
    (arguments