diff --git a/submission/serializers.py b/submission/serializers.py
index dcaf7014..a0bc1094 100644
--- a/submission/serializers.py
+++ b/submission/serializers.py
@@ -8,7 +8,7 @@ from .models import Submission
 class CreateSubmissionSerializer(serializers.Serializer):
     problem_id = serializers.IntegerField()
     language = serializers.IntegerField()
-    code = serializers.CharField(max_length=3000)
+    code = serializers.CharField(max_length=20000)
 
 
 class SubmissionSerializer(serializers.ModelSerializer):
@@ -34,6 +34,6 @@ class CreateContestSubmissionSerializer(serializers.Serializer):
     contest_id = serializers.IntegerField()
     problem_id = serializers.IntegerField()
     language = serializers.IntegerField()
-    code = serializers.CharField(max_length=3000)
+    code = serializers.CharField(max_length=20000)