diff --git a/heatclient/tests/test_templates/adopt.json b/heatclient/tests/test_templates/adopt.json
index ac57ec76..05b691d0 100644
--- a/heatclient/tests/test_templates/adopt.json
+++ b/heatclient/tests/test_templates/adopt.json
@@ -1,32 +1,32 @@
 {
-    'files': {},
-    'status': 'COMPLETE',
-    'name': 'my_stack',
-    'tags': None,
-    'stack_user_project_id': '123456',
-    'environment': {},
-    'template': {
-        'heat_template_version': '2016-04-08',
-        'resources': {
-            'thing': {
-                'type': 'OS::Heat::TestResource'
+    "files": {},
+    "status": "COMPLETE",
+    "name": "my_stack",
+    "tags": null,
+    "stack_user_project_id": "123456",
+    "environment": {},
+    "template": {
+        "heat_template_version": "2016-04-08",
+        "resources": {
+            "thing": {
+                "type": "OS::Heat::TestResource"
             }
         }
     },
-    'action': 'CREATE',
-    'project_id': '56789',
-    'id': '2468',
-    'resources': {
-        'thing': {
-            'status': 'COMPLETE',
-            'name': 'thing',
-            'resource_data': {
-                'value': 'test_string',
+    "action": "CREATE",
+    "project_id": "56789",
+    "id": "2468",
+    "resources": {
+        "thing": {
+            "status": "COMPLETE",
+            "name": "thing",
+            "resource_data": {
+                "value": "test_string"
             },
-            'resource_id': 'my_stack-thing-1234',
-            'action': 'CREATE',
-            'type': 'OS::Heat::TestResource',
-            'metadata': {}
+            "resource_id": "my_stack-thing-1234",
+            "action": "CREATE",
+            "type": "OS::Heat::TestResource",
+            "metadata": {}
         }
     }
 }