diff --git a/utils/searxng.sh b/utils/searxng.sh
index 82ba0d548..598d3bb48 100755
--- a/utils/searxng.sh
+++ b/utils/searxng.sh
@@ -553,6 +553,7 @@ pip install -U pip
 pip install -U setuptools
 pip install -U wheel
 pip install -U pyyaml
+pip install -U msgspec
 pip install -U --use-pep517 --no-build-isolation -e .
 EOF
     rst_para "update instance's settings.yml from ${SEARXNG_SETTINGS_PATH}"