diff --git a/package.json b/package.json
index 99760eb..8ff6599 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,6 @@
     "dotenv": "^16.0.1",
     "national-rail-darwin-promise": "^1.0.2",
     "neat-csv": "^7.0.0",
-    "slack-slash-fastify": "1.0.0"
+    "slack-slash-fastify": "2.0.1"
   }
 }