diff --git a/common/shared_stack.py b/common/shared_stack.py
index 559c589..b1b0b78 100644
--- a/common/shared_stack.py
+++ b/common/shared_stack.py
@@ -81,7 +81,7 @@ def __init__(self, scope: Construct, construct_id: str, **kwargs) -> None:
         self.rds = _rds.DatabaseInstance(
             self, f"{config.stage}-9c-iap-rds",
             instance_identifier=f"{config.stage}-9c-iap-rds",
-            engine=_rds.DatabaseInstanceEngine.postgres(version=_rds.PostgresEngineVersion.VER_15_2),
+            engine=_rds.DatabaseInstanceEngine.postgres(version=_rds.PostgresEngineVersion.VER_15_7),
             vpc=self.vpc,
             vpc_subnets=_ec2.SubnetSelection(),
             database_name="iap",