diff --git a/import_map.json b/import_map.json
index f3b684a..ce69570 100644
--- a/import_map.json
+++ b/import_map.json
@@ -1,6 +1,6 @@
 {
   "imports": {
-    "deno-slack-sdk/": "https://deno.land/x/deno_slack_sdk@2.3.0/",
+    "deno-slack-sdk/": "https://deno.land/x/deno_slack_sdk@2.4.0/",
     "deno-slack-api/": "https://deno.land/x/deno_slack_api@2.1.2/"
   }
 }