diff --git a/core/apps/evaluation/serializers/certificate/certificate.py b/core/apps/evaluation/serializers/certificate/certificate.py
index cabd4c1..3eaeb1f 100644
--- a/core/apps/evaluation/serializers/certificate/certificate.py
+++ b/core/apps/evaluation/serializers/certificate/certificate.py
@@ -3,7 +3,7 @@ from core.apps.evaluation.models import CertificateModel
 
 
 class BaseCertificateSerializer(serializers.ModelSerializer):
-    file = serializers.SerializerMethodField()
+    file = serializers.SerializerMethodField(method_name='get_file', read_only=True)
 
     class Meta:
         model = CertificateModel
@@ -19,4 +19,14 @@ class BaseCertificateSerializer(serializers.ModelSerializer):
             if request:
                 return request.build_absolute_uri(obj.file.url)
             return obj.file.url
-        return None
\ No newline at end of file
+        return None
+
+
+class CreateCertificateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CertificateModel
+        fields = [
+            "id",
+            "title",
+            "file",
+        ]
diff --git a/core/apps/evaluation/views/certificate.py b/core/apps/evaluation/views/certificate.py
index a38f961..1050450 100644
--- a/core/apps/evaluation/views/certificate.py
+++ b/core/apps/evaluation/views/certificate.py
@@ -12,7 +12,7 @@ from rest_framework.parsers import MultiPartParser, FormParser
 
 # local apps
 from core.apps.evaluation.models import CertificateModel
-from core.apps.evaluation.serializers.certificate import BaseCertificateSerializer
+from core.apps.evaluation.serializers.certificate import BaseCertificateSerializer, CreateCertificateSerializer
 
 
 @extend_schema(tags=["Certificate"],request=BaseCertificateSerializer)
@@ -25,3 +25,6 @@ class CertificateView(BaseViewSetMixin, ModelViewSet):
     search_fields = ["title"]
     pagination_class = None
     action_permission_classes = {}
+    action_serializer_class = {
+        "create": CreateCertificateSerializer
+    }