diff --git a/src/Approve.Checker/Gitlab/ApproversDto.cs b/src/Approve.Checker/Gitlab/ApproversDto.cs
index bb5b859..ab11eae 100644
--- a/src/Approve.Checker/Gitlab/ApproversDto.cs
+++ b/src/Approve.Checker/Gitlab/ApproversDto.cs
@@ -8,7 +8,7 @@ namespace Approve.Checker.Gitlab;
 
 public class ApproversDto
 {
-    public bool ForCodeFreeze { get; set; }
+    public bool? ForCodeFreeze { get; set; }
     public int CountApprovers { get; set; } = 1;
     public List<string> Users { get; set; } = new();
 }
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