diff --git a/pkgs/by-name/co/cockatrice/package.nix b/pkgs/by-name/co/cockatrice/package.nix
index f7dffc381bd3..30eef9c9b64b 100644
--- a/pkgs/by-name/co/cockatrice/package.nix
+++ b/pkgs/by-name/co/cockatrice/package.nix
@@ -11,13 +11,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "cockatrice";
-  version = "2025-04-03-Release-2.10.2";
+  version = "2026-02-22-Release-2.10.3";
 
   src = fetchFromGitHub {
     owner = "Cockatrice";
     repo = "Cockatrice";
     rev = finalAttrs.version;
-    sha256 = "sha256-zXAK830SdGT3xN3ST8h9LLy/oWr4MH6TZf57gLfI0e8=";
+    sha256 = "sha256-GQVdn6vUW0B9vSk7ZvSDqMNhLNe86C+/gE1n6wfQIMw=";
   };
 
   nativeBuildInputs = [