diff --git a/gnu/packages/mtools.scm b/gnu/packages/mtools.scm
index a660606316..f3539e5d27 100644
--- a/gnu/packages/mtools.scm
+++ b/gnu/packages/mtools.scm
@@ -29,14 +29,14 @@ (define-module (gnu packages mtools)
 (define-public mtools
   (package
     (name "mtools")
-    (version "4.0.35")
+    (version "4.0.36")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnu/mtools/mtools-"
                                   version ".tar.bz2"))
               (sha256
                (base32
-                "0ja7lkbw6v36p0cq0hs3xsw2ks970k47d350j7cg1lji6wbrwxil"))
+                "1x20a82wbg4ibnbs4c43kwk3zdvgzycq4flxcir9zfyzyanybh75"))
               (patches
                (search-patches "mtools-mformat-uninitialized.patch"))))
     (build-system gnu-build-system)