diff --git a/pyproject.toml b/pyproject.toml
index 44df84bd..c82aca26 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -124,7 +124,7 @@ dependencies = [
     "timm",
     "bitsandbytes; sys_platform != 'darwin' or platform_machine != 'arm64'",
     "optimum-quanto>=0.2.5",
-    "ctranslate2==4.6.0",
+    "ctranslate2==4.6.3",
     "whisper-s2t==1.3.1",
     "hqq==0.2.7.post1",
     "torchao==0.12.0", #ref: https://github.com/pytorch/ao/issues/2919#issue-3375688762