diff --git a/pkgs/development/libraries/liblouis/default.nix b/pkgs/development/libraries/liblouis/default.nix
index 5d0459b4f30..c394e3dc4d5 100644
--- a/pkgs/development/libraries/liblouis/default.nix
+++ b/pkgs/development/libraries/liblouis/default.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "liblouis";
-  version = "3.14.0";
+  version = "3.15.0";
 
   src = fetchFromGitHub {
     owner = "liblouis";
     repo = "liblouis";
     rev = "v${version}";
-    sha256 = "0v6w8b9r994mkkbm2gqgd7k5yfmdhgbabh0j1gmn375nyvhy4qqh";
+    sha256 = "1ljy5xsy7vf2r0ix0d7bqcr6qvr6897f8madsx9zlm1mrj31n5px";
   };
 
   outputs = [ "out" "dev" "man" "info" "doc" ];