diff --git a/langfuse-v3/cdk_stacks/aurora_postgresql.py b/langfuse-v3/cdk_stacks/aurora_postgresql.py
index c227f55..ad1fa49 100644
--- a/langfuse-v3/cdk_stacks/aurora_postgresql.py
+++ b/langfuse-v3/cdk_stacks/aurora_postgresql.py
@@ -65,7 +65,7 @@ def __init__(self, scope: Construct, construct_id: str, vpc, **kwargs) -> None:
     )
     rds_credentials = aws_rds.Credentials.from_secret(db_secret)
 
-    rds_engine = aws_rds.DatabaseClusterEngine.aurora_postgres(version=aws_rds.AuroraPostgresEngineVersion.VER_15_4)
+    rds_engine = aws_rds.DatabaseClusterEngine.aurora_postgres(version=aws_rds.AuroraPostgresEngineVersion.VER_15_8)
 
     #XXX: https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraPostgreSQL.Reference.ParameterGroups.html#AuroraPostgreSQL.Reference.Parameters.Cluster
     rds_cluster_param_group = aws_rds.ParameterGroup(self, 'AuroraPostgreSQLClusterParamGroup',