diff --git a/.ci/cloudbuild.yaml b/.ci/cloudbuild.yaml
index e31e8beb..5550058e 100644
--- a/.ci/cloudbuild.yaml
+++ b/.ci/cloudbuild.yaml
@@ -13,6 +13,21 @@
 # limitations under the License.
 
 steps:
+  - id: check the private DNS zone and the private connection
+    name: gcr.io/cloud-builders/git
+    entrypoint: bash
+    args:
+    - '-c'
+    - |
+        apt-get update
+        apt-get install dnsutils -y
+        echo "dig ${_DNS_NAME} ... (with +trace)"
+        dig +trace ${_DNS_NAME}
+        echo "dig ${_DNS_NAME} ... (without +trace)"
+        dig ${_DNS_NAME}
+        echo "cat /etc/resolv.conf"
+        cat /etc/resolv.conf
+
   - id: run integration tests
     name: python:${_VERSION}
     entrypoint: bash
@@ -20,6 +35,9 @@ steps:
       - "IP_TYPE=${_IP_TYPE}"
     secretEnv:
       [
+        "MYSQL_PSA_CONNECTION_NAME",
+        "MYSQL_PSA_USER",
+        "MYSQL_PSA_PASS",
         "MYSQL_CONNECTION_NAME",
         "MYSQL_USER",
         "MYSQL_IAM_USER",
@@ -59,6 +77,12 @@ availableSecrets:
       env: "MYSQL_IAM_USER"
     - versionName: "projects/$PROJECT_ID/secrets/MYSQL_PASS/versions/latest"
       env: "MYSQL_PASS"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_PSA_CONNECTION_NAME/versions/latest"
+      env: "MYSQL_PSA_CONNECTION_NAME"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_PSA_USER/versions/latest"
+      env: "MYSQL_PSA_USER"
+    - versionName: "projects/$PROJECT_ID/secrets/MYSQL_PSA_PASS/versions/latest"
+      env: "MYSQL_PSA_PASS"
     - versionName: "projects/$PROJECT_ID/secrets/MYSQL_DB/versions/latest"
       env: "MYSQL_DB"
     - versionName: "projects/$PROJECT_ID/secrets/MYSQL_MCP_CONNECTION_NAME/versions/latest"
@@ -100,6 +124,7 @@ availableSecrets:
 substitutions:
   _VERSION: ${_VERSION}
   _IP_TYPE: ${_IP_TYPE}
+  _DNS_NAME: ${_DNS_NAME}
 
 options:
   dynamicSubstitutions: true
diff --git a/tests/system/test_pymysql_connection.py b/tests/system/test_pymysql_connection.py
index f5dd8a1e..ac8bd342 100644
--- a/tests/system/test_pymysql_connection.py
+++ b/tests/system/test_pymysql_connection.py
@@ -90,12 +90,17 @@ def create_sqlalchemy_engine(
 
 def test_pymysql_connection() -> None:
     """Basic test to get time from database."""
-    inst_conn_name = os.environ["MYSQL_CONNECTION_NAME"]
-    user = os.environ["MYSQL_USER"]
-    password = os.environ["MYSQL_PASS"]
+    inst_conn_name = os.environ.get(
+        "MYSQL_PSA_CONNECTION_NAME", os.environ["MYSQL_CONNECTION_NAME"]
+    )
+    user = os.environ.get("MYSQL_PSA_USER", os.environ["MYSQL_USER"])
+    password = os.environ.get("MYSQL_PSA_PASS", os.environ["MYSQL_PASS"])
     db = os.environ["MYSQL_DB"]
     ip_type = os.environ.get("IP_TYPE", "public")
 
+    if ip_type == "private":
+        ip_type = "PSC"
+
     engine, connector = create_sqlalchemy_engine(
         inst_conn_name, user, password, db, ip_type
     )