diff --git a/contrib/dev_settings.py b/contrib/dev_settings.py
index 915b9cf..b3ab388 100644
--- a/contrib/dev_settings.py
+++ b/contrib/dev_settings.py
@@ -11,7 +11,7 @@
     },
     'trik': {
         'command': '/trikStudio-checker/bin/check-solution.sh main.qrs',
-        'docker_image': 'stepic/epicbox-trik:20151217',
+        'docker_image': 'trikset/checker-stepik:2019.6',
     }
 }
 
diff --git a/setup.cfg b/setup.cfg
index 733a464..1e1bb7f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,4 +1,4 @@
-[pytest]
+[tool:pytest]
 norecursedirs = deploy env sandbox sandbox_tests
 python_files = test_*.py tests.py
 addopts = --ignore=stepic_plugins/quizzes/code/tests/test_languages.py
diff --git a/stepic_plugins/settings/base.py b/stepic_plugins/settings/base.py
index 11ed9b1..d61dbb2 100644
--- a/stepic_plugins/settings/base.py
+++ b/stepic_plugins/settings/base.py
@@ -83,7 +83,7 @@
 EPICBOX_TRIK_LIMITS = {
     'cputime': 60,
     'realtime': 120,
-    'memory': 128,
+    'memory': 512,
 }
 
 #: Specify epicbox configs for languages. Epicbox sandboxes are used