diff --git a/src/bot/features/commands/private-chat/register.ts b/src/bot/features/commands/private-chat/register.ts
index 6c11ba0..7140f05 100644
--- a/src/bot/features/commands/private-chat/register.ts
+++ b/src/bot/features/commands/private-chat/register.ts
@@ -20,7 +20,7 @@ feature.command("register", logHandle("command-register"), chatAction("typing"),
   }
 
   const octokit = ctx.adapters.github.octokit;
-  const user = await octokit.users.getByUsername({ username: githubUsername });
+  const user = await octokit.rest.users.getByUsername({ username: githubUsername });
 
   if (user.status !== 200) {
     await ctx.reply("User not found.");
diff --git a/src/utils/add-comment-to-issues.ts b/src/utils/add-comment-to-issues.ts
index 2d661ae..3da50e7 100644
--- a/src/utils/add-comment-to-issues.ts
+++ b/src/utils/add-comment-to-issues.ts
@@ -27,7 +27,7 @@ export async function addCommentToIssue(context: Context, msg: string, owner?: s
   }
 
   try {
-    await octokit.issues.createComment({
+    await octokit.rest.issues.createComment({
       owner,
       repo,
       issue_number: issueNumber,