diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index f31f60df8..da94c5692 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -51,6 +51,7 @@ def charm_project(
         | {
             "base": f"{distro_id}@{distro_version}",
             "platforms": {util.get_host_architecture(): None},
+            "parts": {"charm": {"plugin": "charm", "source": "."}},
         },
     )
 
diff --git a/tests/integration/sample-charms/actions-included/charmcraft.yaml b/tests/integration/sample-charms/actions-included/charmcraft.yaml
index 23239d7b6..20460b7c8 100644
--- a/tests/integration/sample-charms/actions-included/charmcraft.yaml
+++ b/tests/integration/sample-charms/actions-included/charmcraft.yaml
@@ -10,6 +10,7 @@ platforms:
 parts:
   charm:
     plugin: charm
+    source: .
 
 actions:
   pause: