diff --git a/requirements-test.txt b/requirements-test.txt
index 74c0486..5c9d6e0 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -6,7 +6,7 @@ google-auth==2.16.1
 PyMySQL==1.1.0
 pg8000==1.30.1
 google-api-python-client==2.58.0
-cloud-sql-python-connector==0.4.1
+cloud-sql-python-connector==1.18.5
 google-cloud-logging==3.5.0
 aiohttp==3.8.6
 black==22.3.0
diff --git a/requirements.txt b/requirements.txt
index 87528fc..c952aec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ SQLAlchemy==1.4.46
 google-auth==2.16.1
 PyMySQL==1.1.0
 pg8000==1.30.1
-cloud-sql-python-connector==0.4.1
+cloud-sql-python-connector==1.18.5
 google-cloud-logging==3.5.0
 aiohttp==3.8.6