diff --git a/Kontent.Ai.Management.Tests/CodeSamples/CmApiV2.cs b/Kontent.Ai.Management.Tests/CodeSamples/CmApiV2.cs
index 6b12f425..1a34ac3e 100644
--- a/Kontent.Ai.Management.Tests/CodeSamples/CmApiV2.cs
+++ b/Kontent.Ai.Management.Tests/CodeSamples/CmApiV2.cs
@@ -1835,7 +1835,11 @@ public async void PutLanguageVariant()
                         Element = Reference.ByCodename("url_pattern"),
                         Mode = "autogenerated"
                     },
-                })
+                }),
+                DueDate = new DueDateModel
+                {
+                    Value = DateTime.Parse("2092-01-07T06:04:00.7069564Z")
+                }
             },
             new WorkflowStepIdentifier(Reference.ByCodename("default"), Reference.ByCodename("review")));
 
diff --git a/Kontent.Ai.Management/Models/LanguageVariants/LanguageVariantUpsertModel.cs b/Kontent.Ai.Management/Models/LanguageVariants/LanguageVariantUpsertModel.cs
index 7a651c61..96827422 100644
--- a/Kontent.Ai.Management/Models/LanguageVariants/LanguageVariantUpsertModel.cs
+++ b/Kontent.Ai.Management/Models/LanguageVariants/LanguageVariantUpsertModel.cs
@@ -20,6 +20,11 @@ public sealed class LanguageVariantUpsertModel
     /// </summary>
     public WorkflowStepIdentifier Workflow { get; set; }
 
+    /// <summary>
+    /// Gets or sets due date to update.
+    /// </summary>
+    public DueDateModel DueDate { get; set; }
+
     /// <summary>
     /// Creates an instance of the language variant upsert model.
     /// </summary>
@@ -31,5 +36,6 @@ internal LanguageVariantUpsertModel(LanguageVariantModel languageVariant)
     {
         Elements = languageVariant.Elements;
         Workflow = languageVariant.Workflow;
+        DueDate = languageVariant.DueDate;
     }
 }