diff --git a/pkgs/development/libraries/matio/default.nix b/pkgs/development/libraries/matio/default.nix
index e12280a088b..7bcef2b6553 100644
--- a/pkgs/development/libraries/matio/default.nix
+++ b/pkgs/development/libraries/matio/default.nix
@@ -1,9 +1,9 @@
 { stdenv, fetchurl }:
 stdenv.mkDerivation rec {
-  name = "matio-1.5.17";
+  name = "matio-1.5.18";
   src = fetchurl {
     url = "mirror://sourceforge/matio/${name}.tar.gz";
-    sha256 = "00644612zhn53j25vj50q73kmjcrsns2lnmy99y2kavhsckmaiay";
+    sha256 = "09gy507zm1gxxyxf5qapzgars51pm16wis7lqqf84kc57ak73baz";
   };
 
   meta = with stdenv.lib; {