diff --git a/pkgs/development/libraries/libsixel/default.nix b/pkgs/development/libraries/libsixel/default.nix
index 9d4b62eb97ab..bad5e7c59622 100644
--- a/pkgs/development/libraries/libsixel/default.nix
+++ b/pkgs/development/libraries/libsixel/default.nix
@@ -1,13 +1,13 @@
 {stdenv, fetchFromGitHub}:
 stdenv.mkDerivation rec {
-  version = "1.7.3";
+  version = "1.8.1";
   name = "libsixel-${version}";
 
   src = fetchFromGitHub {
     repo = "libsixel";
     rev = "v${version}";
     owner = "saitoha";
-    sha256 = "1hzmypzzigmxl07vgc52wp4dgxkhya3gfk4yzaaxc8s630r6ixs8";
+    sha256 = "0cbhvd1yk0q08nxva5bga7bpp8yxjfdfnqicvip4l6k28mzz7pmf";
   };
 
   meta = with stdenv.lib; {