diff --git a/pyproject.toml b/pyproject.toml
index 87fa227ee..3ea2abb8a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,17 +44,17 @@ keywords = [
   "logdata",
 ]
 dependencies = [
-  "aiohttp>=3.9.2",         # CVE-2024-23334
+  "aiohttp>=3.9.2",           # CVE-2024-23334
   "attrs",
-  "certifi>=2023.7.22",     # CVE-2023-37920
-  "ciso8601",               # fastest iso8601 datetime parser. can be removed after dropping support for python < 3.11
+  "certifi>=2023.7.22",       # CVE-2023-37920
+  "ciso8601",                 # fastest iso8601 datetime parser. can be removed after dropping support for python < 3.11
   "colorama",
   "confluent-kafka>2",
   "geoip2",
   "hyperscan>=0.7.0",
   "jsonref",
   "luqum",
-  "mysql-connector-python",
+  "mysql-connector-python<9",
   "numpy>=1.26.0",
   "opensearch-py",
   "prometheus_client",
@@ -71,7 +71,7 @@ dependencies = [
   "schedule",
   "tldextract",
   "urlextract",
-  "urllib3>=1.26.17",       # CVE-2023-43804
+  "urllib3>=1.26.17",         # CVE-2023-43804
   "uvicorn",
   "wheel",
   "deepdiff",