diff --git a/package.json b/package.json
index 0693b8d..bfed36f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "book": "1.3.3",
     "debug": "3.1.0",
-    "esm": "3.0.34",
+    "esm": "3.2.25",
     "human-readable-ids": "1.0.3",
     "koa": "2.5.1",
     "koa-router": "7.4.0",