diff --git a/pyproject.toml b/pyproject.toml
index 7789808ed..3a73f815a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ classifiers = [
 ]
 dependencies = [
     "aiohttp~=3.11.10",
+    "audioop-lts~=0.2.1; python_version>='3.13'",
     "loguru~=0.7.3",
     "Markdown~=3.7",
     "numpy~=2.1.3",