diff --git a/pkgs/by-name/ct/ctranslate2/package.nix b/pkgs/by-name/ct/ctranslate2/package.nix
index 5f0e06f3690f..22e004a969dd 100644
--- a/pkgs/by-name/ct/ctranslate2/package.nix
+++ b/pkgs/by-name/ct/ctranslate2/package.nix
@@ -28,14 +28,14 @@ let
 in
 stdenv'.mkDerivation (finalAttrs: {
   pname = "ctranslate2";
-  version = "4.6.2";
+  version = "4.6.3";
 
   src = fetchFromGitHub {
     owner = "OpenNMT";
     repo = "CTranslate2";
     tag = "v${finalAttrs.version}";
     fetchSubmodules = true;
-    hash = "sha256-AUi/MODxCSVuJhFjlhbMUyrGnK0X28B2+uTIHIg7oMg=";
+    hash = "sha256-J9h4G+4jv02/gbpHd/THLAxxII/hlmsFuaJUTU8TMgQ=";
   };
 
   # Fix CMake 4 compatibility