diff --git a/package.json b/package.json
index ac4061a..619483f 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   },
   "homepage": "https://github.com/bahmutov/copi#readme",
   "dependencies": {
-    "bluebird": "3.1.1",
+    "bluebird": "3.7.2",
     "check-more-types": "2.10.0",
     "debug": "2.2.0",
     "express": "5.0.0-alpha.2",