diff --git a/pkgs/development/libraries/libsixel/default.nix b/pkgs/development/libraries/libsixel/default.nix
index b57247b8fa23..9d4b62eb97ab 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 = "1.6.1";
+  version = "1.7.3";
   name = "libsixel-${version}";
 
   src = fetchFromGitHub {
     repo = "libsixel";
-    rev = "ef4374f80385edc48e0844cf324d7ef757688e44";
+    rev = "v${version}";
     owner = "saitoha";
-    sha256 = "08m5q2ppk235bzbwff1wg874vr1bh4080qdj26l39v8lw1xzlqcp";
+    sha256 = "1hzmypzzigmxl07vgc52wp4dgxkhya3gfk4yzaaxc8s630r6ixs8";
   };
 
   meta = with stdenv.lib; {