diff --git a/src/GitLabApiClient/GitLabApiClient.csproj b/src/GitLabApiClient/GitLabApiClient.csproj
index 0a0598fc..2df47610 100644
--- a/src/GitLabApiClient/GitLabApiClient.csproj
+++ b/src/GitLabApiClient/GitLabApiClient.csproj
@@ -4,7 +4,7 @@
     <TargetFramework>net8.0</TargetFramework>
     <LangVersion>10</LangVersion>
     <PackageId>Apiiro.GitLabApiClient</PackageId>
-    <Version>0.1.38</Version>
+    <Version>0.1.39</Version>
     <Authors>Apiiro</Authors>
     <Company>Apiiro</Company>
     <PackageDescription>GitLabApiClient</PackageDescription>
diff --git a/src/GitLabApiClient/IIssuesClient.cs b/src/GitLabApiClient/IIssuesClient.cs
index 5659eeff..c2456343 100644
--- a/src/GitLabApiClient/IIssuesClient.cs
+++ b/src/GitLabApiClient/IIssuesClient.cs
@@ -108,7 +108,7 @@ Task<IList<Note>> GetNotesAsync(ProjectId projectId, long issueIid,
         /// <param name="projectId">The ID, path or <see cref="Project"/> of the project.</param>
         /// <param name="issueIid">The IID of an issue.</param>
         /// <param name="request">Create issue note request.</param>
-        Task<Note> CreateNoteAsync(ProjectId projectId, int issueIid, CreateIssueNoteRequest request);
+        Task<Note> CreateNoteAsync(ProjectId projectId, long issueIid, CreateIssueNoteRequest request);
 
         /// <summary>
         /// Updated existing issue.
diff --git a/src/GitLabApiClient/IMergeRequestsClient.cs b/src/GitLabApiClient/IMergeRequestsClient.cs
index 497d39ae..90c91c19 100644
--- a/src/GitLabApiClient/IMergeRequestsClient.cs
+++ b/src/GitLabApiClient/IMergeRequestsClient.cs
@@ -80,7 +80,7 @@ public interface IMergeRequestsClient
         /// <param name="projectId">The ID, path or <see cref="Project"/> of the project.</param>
         /// <param name="mergeRequestId">The IID of an Merge Request.</param>
         /// <param name="request">Create Merge Request note request.</param>
-        Task<Note> CreateNoteAsync(ProjectId projectId, int mergeRequestId, CreateMergeRequestNoteRequest request);
+        Task<Note> CreateNoteAsync(ProjectId projectId, long mergeRequestId, CreateMergeRequestNoteRequest request);
 
         /// <summary>
         /// Retrieves notes (comments) of a merge request.
diff --git a/src/GitLabApiClient/IssuesClient.cs b/src/GitLabApiClient/IssuesClient.cs
index 15cf04b9..bb3ce9cb 100644
--- a/src/GitLabApiClient/IssuesClient.cs
+++ b/src/GitLabApiClient/IssuesClient.cs
@@ -164,7 +164,7 @@ public async Task<Issue> CreateAsync(ProjectId projectId, CreateIssueRequest req
         /// <param name="projectId">The ID, path or <see cref="Project"/> of the project.</param>
         /// <param name="issueIid">The IID of an issue.</param>
         /// <param name="request">Create issue note request.</param>
-        public async Task<Note> CreateNoteAsync(ProjectId projectId, int issueIid, CreateIssueNoteRequest request) =>
+        public async Task<Note> CreateNoteAsync(ProjectId projectId, long issueIid, CreateIssueNoteRequest request) =>
             await _httpFacade.Post<Note>($"projects/{projectId}/issues/{issueIid}/notes", request);
 
         /// <summary>
diff --git a/src/GitLabApiClient/MergeRequestsClient.cs b/src/GitLabApiClient/MergeRequestsClient.cs
index 620b0029..67b10de5 100644
--- a/src/GitLabApiClient/MergeRequestsClient.cs
+++ b/src/GitLabApiClient/MergeRequestsClient.cs
@@ -131,7 +131,7 @@ public async Task DeleteAsync(ProjectId projectId, int mergeRequestId) =>
         /// <param name="projectId">The ID, path or <see cref="Project"/> of the project.</param>
         /// <param name="mergeRequestId">The IID of an Merge Request.</param>
         /// <param name="request">Create Merge Request note request.</param>
-        public async Task<Note> CreateNoteAsync(ProjectId projectId, int mergeRequestId, CreateMergeRequestNoteRequest request) =>
+        public async Task<Note> CreateNoteAsync(ProjectId projectId, long mergeRequestId, CreateMergeRequestNoteRequest request) =>
             await _httpFacade.Post<Note>($"projects/{projectId}/merge_requests/{mergeRequestId}/notes", request);
 
         /// <summary>