diff --git a/pkgs/tools/inputmethods/m17n-lib/default.nix b/pkgs/tools/inputmethods/m17n-lib/default.nix
index 982f35a9fe68..12b669c87777 100644
--- a/pkgs/tools/inputmethods/m17n-lib/default.nix
+++ b/pkgs/tools/inputmethods/m17n-lib/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, m17n_db}:
 stdenv.mkDerivation rec {
-  name = "m17n-lib-1.7.0";
+  name = "m17n-lib-1.8.0";
 
   src = fetchurl {
     url = "http://download.savannah.gnu.org/releases/m17n/${name}.tar.gz";
-    sha256 = "10yv730i25g1rpzv6q49m6xn4p8fjm7jdwvik2h70sn8w3hm7f4f";
+    sha256 = "0jp61y09xqj10mclpip48qlfhniw8gwy8b28cbzxy8hq8pkwmfkq";
   };
 
   buildInputs = [ m17n_db ];