diff --git a/pkg/clients/db_client_test.go b/pkg/clients/db_client_test.go
index 2929cdcf..88a005ec 100644
--- a/pkg/clients/db_client_test.go
+++ b/pkg/clients/db_client_test.go
@@ -9,13 +9,13 @@ import (
 func TestConnectionString(t *testing.T) {
 	r := require.New(t)
 	c := buildConnectionString("host", "user", "pass", 6875, "database", "require", "tf")
-	r.Equal(`postgres://user:pass@host:6875/database?application_name=tf&sslmode=require`, c)
+	r.Equal(`postgres://user:pass@host:6875/database?application_name=tf&options=--transaction_isolation%3Dstrict%5C+serializable&sslmode=require`, c)
 }
 
 func TestConnectionStringTesting(t *testing.T) {
 	r := require.New(t)
 	c := buildConnectionString("host", "user", "pass", 6875, "database", "disable", "tf")
-	r.Equal(`postgres://user:pass@host:6875/database?application_name=tf&sslmode=disable`, c)
+	r.Equal(`postgres://user:pass@host:6875/database?application_name=tf&options=--transaction_isolation%3Dstrict%5C+serializable&sslmode=disable`, c)
 }
 
 func TestNewDBClientFailure(t *testing.T) {