diff --git a/pyproject.toml b/pyproject.toml
index d8460909..6d6326be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,7 +59,7 @@ pytest-operator-cache = {git = "https://github.com/canonical/data-platform-workf
 pytest-operator-groups = {git = "https://github.com/canonical/data-platform-workflows", tag = "v22.0.0", subdirectory = "python/pytest_plugins/pytest_operator_groups"}
 pytest-github-secrets = {git = "https://github.com/canonical/data-platform-workflows", tag = "v22.0.0", subdirectory = "python/pytest_plugins/github_secrets"}
 juju = "^3.5.2.0"
-mysql-connector-python = "~8.0.33"
+mysql-connector-python = "~9.1.0"
 tenacity = "^8.5.0"
 ops = "^2.9.0"
 pytest-mock = "^3.14.0"