diff --git a/pkgs/development/libraries/openfst/default.nix b/pkgs/development/libraries/openfst/default.nix
index 6554d025311b..51ed495a9959 100644
--- a/pkgs/development/libraries/openfst/default.nix
+++ b/pkgs/development/libraries/openfst/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "openfst";
-  version = "1.7.2";
+  version = "1.7.4";
 
   src = fetchurl {
     url = "http://www.openfst.org/twiki/pub/FST/FstDownload/${pname}-${version}.tar.gz";
-    sha256 = "0fqgk8195kz21is09gwzwnrg7fr9526bi9mh4apyskapz27pbhr1";
+    sha256 = "0drhq5348vbaccpa0z3jvd5hyv5bm2i9xrak1wb4yvl2mx77dbmh";
   };
   meta = {
     description = "Library for working with finite-state transducers";