diff --git a/import_map.json b/import_map.json
index f264805..3e819be 100644
--- a/import_map.json
+++ b/import_map.json
@@ -1,7 +1,7 @@
 {
   "imports": {
     "deno-slack-sdk/": "https://deno.land/x/deno_slack_sdk@2.9.0/",
-    "deno-slack-api/": "https://deno.land/x/deno_slack_api@2.3.2/",
+    "deno-slack-api/": "https://deno.land/x/deno_slack_api@2.4.0/",
     "ptera/": "https://deno.land/x/ptera@v1.0.2/",
     "std/": "https://deno.land/std@0.223.0/",
     "mock_fetch/": "https://deno.land/x/mock_fetch@0.3.0/"