diff --git a/package-lock.json b/package-lock.json
index 2e6cd54e7..27c044c32 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,9 +11,9 @@
       "dev": true
     },
     "esm": {
-      "version": "3.0.84",
-      "resolved": "https://registry.npmjs.org/esm/-/esm-3.0.84.tgz",
-      "integrity": "sha512-SzSGoZc17S7P+12R9cg21Bdb7eybX25RnIeRZ80xZs+VZ3kdQKzqTp2k4hZJjR7p9l0186TTXSgrxzlMDBktlw==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/esm/-/esm-3.1.0.tgz",
+      "integrity": "sha512-r4Go7Wh7Wh0WPinRXeeM9PIajRsUdt8SAyki5R1obVc0+BwtqvtjbngVSSdXg0jCe2xZkY8hyBMx6q/uymUkPw==",
       "dev": true
     },
     "lodash": {
diff --git a/package.json b/package.json
index 08e60e15e..8d3f68473 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "dependencies": {},
   "devDependencies": {
     "ejs": "^2.5.7",
-    "esm": "~3.0.84",
+    "esm": "~3.1.0",
     "lodash": "^4.16.4",
     "pixelmatch": "^4.0.2"
   },