diff --git a/rest_auth/serializers.py b/rest_auth/serializers.py
index 78e670c..e0ab909 100644
--- a/rest_auth/serializers.py
+++ b/rest_auth/serializers.py
@@ -46,6 +46,7 @@ class UserDetailsSerializer(serializers.ModelSerializer):
     class Meta:
         model = get_user_model()
         fields = ('username', 'email', 'first_name', 'last_name')
+        read_only_fields = ('email', )
 
 
 class PasswordResetSerializer(serializers.Serializer):