diff --git a/test/lib/ansible_test/_data/sanity/pylint/config/ansible-test b/test/lib/ansible_test/_data/sanity/pylint/config/ansible-test.cfg
similarity index 100%
rename from test/lib/ansible_test/_data/sanity/pylint/config/ansible-test
rename to test/lib/ansible_test/_data/sanity/pylint/config/ansible-test.cfg
diff --git a/test/lib/ansible_test/_data/sanity/pylint/config/collection b/test/lib/ansible_test/_data/sanity/pylint/config/collection.cfg
similarity index 100%
rename from test/lib/ansible_test/_data/sanity/pylint/config/collection
rename to test/lib/ansible_test/_data/sanity/pylint/config/collection.cfg
diff --git a/test/lib/ansible_test/_data/sanity/pylint/config/default b/test/lib/ansible_test/_data/sanity/pylint/config/default.cfg
similarity index 100%
rename from test/lib/ansible_test/_data/sanity/pylint/config/default
rename to test/lib/ansible_test/_data/sanity/pylint/config/default.cfg
diff --git a/test/lib/ansible_test/_data/sanity/pylint/config/sanity b/test/lib/ansible_test/_data/sanity/pylint/config/sanity.cfg
similarity index 100%
rename from test/lib/ansible_test/_data/sanity/pylint/config/sanity
rename to test/lib/ansible_test/_data/sanity/pylint/config/sanity.cfg
diff --git a/test/lib/ansible_test/_internal/sanity/pylint.py b/test/lib/ansible_test/_internal/sanity/pylint.py
index 816702b4d34..67538f94055 100644
--- a/test/lib/ansible_test/_internal/sanity/pylint.py
+++ b/test/lib/ansible_test/_internal/sanity/pylint.py
@@ -186,13 +186,13 @@ class PylintTest(SanitySingleVersion):
             python,  # type: str
     ):  # type: (...) -> t.List[t.Dict[str, str]]
         """Run pylint using the config specified by the context on the specified paths."""
-        rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', context.split('/')[0])
+        rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', context.split('/')[0] + '.cfg')
 
         if not os.path.exists(rcfile):
             if data_context().content.collection:
-                rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', 'collection')
+                rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', 'collection.cfg')
             else:
-                rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', 'default')
+                rcfile = os.path.join(SANITY_ROOT, 'pylint', 'config', 'default.cfg')
 
         parser = ConfigParser()
         parser.read(rcfile)