diff --git a/judge/languages.py b/judge/languages.py
index 35276a1..8947d58 100755
--- a/judge/languages.py
+++ b/judge/languages.py
@@ -160,7 +160,7 @@
 //APPEND END""",
     "compile": {
         "src_name": "solution.py",
-        "exe_name": "__pycache__/solution.cpython-35.pyc",
+        "exe_name": "__pycache__/solution.cpython-36.pyc",
         "max_cpu_time": 3000,
         "max_real_time": 10000,
         "max_memory": 128 * 1024 * 1024,
diff --git a/oj/settings.py b/oj/settings.py
index 34c13ae..407eb51 100755
--- a/oj/settings.py
+++ b/oj/settings.py
@@ -35,7 +35,6 @@
     'rest_framework',
     'django_dramatiq',
     'django_dbconn_retry',
-    'django_crontab',
 ]
 
 if production_env: