diff --git a/cratedb_sqlparse_py/tests/test_enricher.py b/cratedb_sqlparse_py/tests/test_enricher.py
index f8460f8..8fd5176 100644
--- a/cratedb_sqlparse_py/tests/test_enricher.py
+++ b/cratedb_sqlparse_py/tests/test_enricher.py
@@ -52,7 +52,7 @@ def test_table_with_properties():
     query = "CREATE TABLE tbl (A TEXT) WITH ('key' = 'val', 'key2' = 2, 'key3' = true)"
 
     stmt = sqlparse(query)[0]
-    expected = {'key': 'val', 'key2': '2', 'key3': 'true'}
+    expected = {"key": "val", "key2": "2", "key3": "true"}
 
     assert stmt.metadata.with_properties == expected
 
@@ -63,7 +63,7 @@ def test_with_with_parameterized_properties():
     query = "CREATE TABLE tbl (A TEXT) WITH ('key' = $1, 'key2' = '$2')"
 
     stmt = sqlparse(query)[0]
-    expected = {'key': '$1', 'key2': '$2'}
+    expected = {"key": "$1", "key2": "$2"}
 
     # Has all the keys.
     assert stmt.metadata.with_properties == expected