diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index 584b1c68c1..63756a7925 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -2,7 +2,7 @@
 ;;; Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
-;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -61,14 +61,14 @@ (define-public libgpg-error
 (define-public libgcrypt
   (package
     (name "libgcrypt")
-    (version "1.6.2")
+    (version "1.6.3")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnupg/libgcrypt/libgcrypt-"
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "0k2wi34qhp5hq71w1ab3kw1gfsx7xff79bvynqkxp35kls94826y"))))
+               "0pq2nwfqgggrsh8rk84659d80vfnlkbphwqjwahccd5fjdxr3d21"))))
     (build-system gnu-build-system)
     (propagated-inputs
      `(("libgpg-error-host" ,libgpg-error)))