diff --git a/problem/serializers.py b/problem/serializers.py
index 103c100..01ee677 100644
--- a/problem/serializers.py
+++ b/problem/serializers.py
@@ -31,7 +31,7 @@ class CreateProblemCodeTemplateSerializer(serializers.Serializer):
 
 class CreateOrEditProblemSerializer(serializers.Serializer):
     _id = serializers.CharField(max_length=32, allow_blank=True, allow_null=True)
-    title = serializers.CharField(max_length=128)
+    title = serializers.CharField(max_length=1024)
     description = serializers.CharField()
     input_description = serializers.CharField()
     output_description = serializers.CharField()
diff --git a/submission/serializers.py b/submission/serializers.py
index 9ad65c8..3f1e367 100644
--- a/submission/serializers.py
+++ b/submission/serializers.py
@@ -6,7 +6,7 @@ from judge.languages import language_names
 class CreateSubmissionSerializer(serializers.Serializer):
     problem_id = serializers.IntegerField()
     language = serializers.ChoiceField(choices=language_names)
-    code = serializers.CharField(max_length=20000)
+    code = serializers.CharField(max_length=1024 * 1024)
     contest_id = serializers.IntegerField(required=False)
     captcha = serializers.CharField(required=False)