diff --git a/pkgs/development/libraries/libthai/default.nix b/pkgs/development/libraries/libthai/default.nix
index 97745813ef2..7755fffc7a9 100644
--- a/pkgs/development/libraries/libthai/default.nix
+++ b/pkgs/development/libraries/libthai/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libthai";
-  version = "0.1.28";
+  version = "0.1.29";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "https://github.com/tlwg/libthai/releases/download/v${version}/libthai-${version}.tar.xz";
-    sha256 = "04g93bgxrcnay9fglpq2lj9nr7x1xh06i60m7haip8as9dxs3q7z";
+    sha256 = "sha256-/IDMfctQ4RMCtBfOvSTy0wqLmHKS534AMme5EA0PS80=";
   };
 
   strictDeps = true;