diff --git a/pkgs/development/libraries/liblouis/default.nix b/pkgs/development/libraries/liblouis/default.nix
index d3ddb99adada..bde1ff4e4936 100644
--- a/pkgs/development/libraries/liblouis/default.nix
+++ b/pkgs/development/libraries/liblouis/default.nix
@@ -3,7 +3,7 @@
 }:
 
 let
-  version = "3.4.0";
+  version = "3.5.0";
 in stdenv.mkDerivation rec {
   name = "liblouis-${version}";
 
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
     owner = "liblouis";
     repo = "liblouis";
     rev = "v${version}";
-    sha256 = "1b3vf6sq2iffdvj0r2q5g5k198camy3sq2nwfz391brpwivsnayh";
+    sha256 = "0klmyh6cg9khv59j4xdsrwwjzdgylw689gvrjiy5jsvqll58fcsd";
   };
 
   outputs = [ "out" "dev" "man" "info" "doc" ];