diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 1236fec..c41dd77 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -3,11 +3,12 @@
 
 """Trino charm integration test config."""
 
+import asyncio
 import logging
 
 import pytest
 import pytest_asyncio
-from helpers import APP_NAME, METADATA, NGINX_NAME, WORKER_NAME
+from helpers import APP_NAME, METADATA, NGINX_NAME, WORKER_NAME, POSTGRES_NAME
 from pytest_operator.plugin import OpsTest
 
 logger = logging.getLogger(__name__)
@@ -17,6 +18,17 @@
 @pytest_asyncio.fixture(name="deploy", scope="module")
 async def deploy(ops_test: OpsTest):
     """Deploy the app."""
+    asyncio.gather(
+        ops_test.model.deploy(POSTGRES_NAME, channel="14", trust=True),
+    )
+    async with ops_test.fast_forward():
+        await ops_test.model.wait_for_idle(
+            apps=[POSTGRES_NAME],
+            status="active",
+            raise_on_blocked=False,
+            timeout=2000,
+        )
+
     charm = await ops_test.build_charm(".")
     resources = {
         "trino-image": METADATA["resources"]["trino-image"]["upstream-source"]
diff --git a/tox.ini b/tox.ini
index ea3a246..97573d5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,7 +27,7 @@ passenv =
 description = Run integration tests
 deps =
     ipdb==0.13.9
-    juju==3.2.0.1
+    juju==3.1.0.1
     pytest==7.4.0
     pytest-operator==0.29.0
     pytest-asyncio==0.21.0
@@ -41,7 +41,7 @@ commands =
 description = Run integration tests
 deps =
     ipdb==0.13.9
-    juju==3.2.0.1
+    juju==3.1.0.1
     pytest==7.4.0
     pytest-operator==0.29.0
     pytest-asyncio==0.21.0
@@ -55,7 +55,7 @@ commands =
 description = Run integration tests
 deps =
     ipdb==0.13.9
-    juju==3.2.0.1
+    juju==3.1.0.1
     pytest==7.4.0
     pytest-operator==0.29.0
     pytest-asyncio==0.21.0