diff --git a/pkgs/development/libraries/liblouis/default.nix b/pkgs/development/libraries/liblouis/default.nix
index 693e1874bdf0..f0d0cc09e9c1 100644
--- a/pkgs/development/libraries/liblouis/default.nix
+++ b/pkgs/development/libraries/liblouis/default.nix
@@ -13,7 +13,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "liblouis";
-  version = "3.30.0";
+  version = "3.31.0";
 
   outputs = [ "out" "dev" "info" "doc" ]
     # configure: WARNING: cannot generate manual pages while cross compiling
@@ -23,7 +23,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "liblouis";
     repo = "liblouis";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-VeDthGET1PcKXzXkztJCcN6yXgf51bcIyawuyUurwBs=";
+    hash = "sha256-0OnIvRwoL7GsuQPXJixA0DRf/tf8CNqwe9lHSahQbwk=";
   };
 
   strictDeps = true;