diff --git a/pkgs/tools/filesystems/mtools/default.nix b/pkgs/tools/filesystems/mtools/default.nix
index 58bd9340c5b0..5ebf82ea91f8 100644
--- a/pkgs/tools/filesystems/mtools/default.nix
+++ b/pkgs/tools/filesystems/mtools/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "mtools-4.0.24";
+  name = "mtools-4.0.25";
 
   src = fetchurl {
     url = "mirror://gnu/mtools/${name}.tar.bz2";
-    sha256 = "1f9g7g8zspp8nvg1nz869il9pvxpdpchqd0vxfc89y8rjbda5x14";
+    sha256 = "059cirrarizvcxv8zyp6ykaz45rymljpgdkdjc9kvadp7gn1w5px";
   };
 
   patches = stdenv.lib.optional stdenv.isDarwin ./UNUSED-darwin.patch;