diff --git a/config/default.js b/config/default.js
index 6ec960f..7c08768 100644
--- a/config/default.js
+++ b/config/default.js
@@ -17,6 +17,7 @@ if (process.env.NODE_ENV === "production") {
 export default {
   latestEntriesCount: 10,
   slackWebhookUrl: process.env.SLACK_WEBHOOK_URL,
+  slackCron: process.env.SLACK_CRON || "*/10 * * * *",
   redis: {
     host: process.env.REDIS_HOST || "localhost",
   },
diff --git a/src/app.js b/src/app.js
index fbfafb7..968af55 100644
--- a/src/app.js
+++ b/src/app.js
@@ -9,6 +9,7 @@ import routes from "./routes.js";
 import logger from "./logger.js";
 import NameRecordRepository from "./nameRecordRepository.js";
 import fetchAndSendLatestEntries from "./slackNotifier.js";
+import config from "../config/index.js";
 
 const redisClient = await getRedisClient();
 const nameRecordRepository = new NameRecordRepository(redisClient);
@@ -50,7 +51,7 @@ app.use((err, req, res, next) => {
   res.status(status).json({ error: message });
 });
 
-cron.schedule("*/1 * * * *", async () => {
+cron.schedule(config.slackCron, async () => {
   logger.info("Checking for new entries to send to Slack...");
   await fetchAndSendLatestEntries(nameRecordRepository);
 });
diff --git a/src/slackNotifier.js b/src/slackNotifier.js
index c0d132c..4bcf6c7 100644
--- a/src/slackNotifier.js
+++ b/src/slackNotifier.js
@@ -33,6 +33,7 @@ export default async function fetchAndSendLatestEntries(repo) {
     .join("\n");
 
   await sendSlackMessage(`Latest ${latestEntries.length} entries:\n${message}`);
+  logger.info("Sent latest entries to Slack.");
   await repo.setLastSentEntryTimestamp(
     new Date(latestEntries[0].updatedAt).getTime()
   );