diff --git a/configs/heavy_tests.json b/configs/heavy_tests.json
index 0705063..0db55da 100644
--- a/configs/heavy_tests.json
+++ b/configs/heavy_tests.json
@@ -40,7 +40,7 @@
     "library":"LargeTestSuite",
     "libraryVersion":"master",
     "libraryVersionNameForTests":"NB",
-    "ulimitOmc":300,
+    "ulimitOmc":400,
     "ulimitExe":400,
     "ulimitMemory":62914560,
     "procOMC":0,
diff --git a/configs/heavy_tests.json.bak b/configs/heavy_tests.json.bak
index 7e52e68..3db9e03 100644
--- a/configs/heavy_tests.json.bak
+++ b/configs/heavy_tests.json.bak
@@ -40,7 +40,7 @@
     "library":"LargeTestSuite",
     "libraryVersion":"master",
     "libraryVersionNameForTests":"NB",
-    "ulimitOmc":300,
+    "ulimitOmc":400,
     "ulimitExe":400,
     "ulimitMemory":62914560,
     "procOMC":0,