diff --git a/package.json b/package.json
index c8b4847ff8..a2786f0cbc 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "eslint-plugin-promise": "^4.0.1",
     "eslint-plugin-standard": "^4.0.0",
     "eslint-plugin-vue": "^5.1.0",
-    "esm": "^3.1.4",
+    "esm": "^3.2.3",
     "express": "^4.16.4",
     "finalhandler": "^1.1.1",
     "fork-ts-checker-webpack-plugin": "^0.5.2",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 41d13a3658..965e412b14 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -16,7 +16,7 @@
     "boxen": "^2.1.0",
     "chalk": "^2.4.2",
     "consola": "^2.3.2",
-    "esm": "^3.1.4",
+    "esm": "^3.2.3",
     "execa": "^1.0.0",
     "minimist": "^1.2.0",
     "pretty-bytes": "^5.1.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index 37bb280297..8e61ddbb17 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -15,7 +15,7 @@
     "@nuxt/vue-renderer": "2.4.3",
     "consola": "^2.3.2",
     "debug": "^4.1.1",
-    "esm": "^3.1.4",
+    "esm": "^3.2.3",
     "fs-extra": "^7.0.1",
     "hash-sum": "^1.0.2",
     "std-env": "^2.2.1"
diff --git a/packages/server/package.json b/packages/server/package.json
index 744c611967..e354f06d5a 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -23,7 +23,7 @@
     "on-headers": "^1.0.1",
     "pify": "^4.0.1",
     "semver": "^5.6.0",
-    "serve-placeholder": "^1.1.0",
+    "serve-placeholder": "^1.1.1",
     "serve-static": "^1.13.2",
     "server-destroy": "^1.0.1",
     "ua-parser-js": "^0.7.19"
diff --git a/yarn.lock b/yarn.lock
index 39b263ce72..afa1738f0e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3694,15 +3694,6 @@ default-require-extensions@^1.0.0:
   dependencies:
     strip-bom "^2.0.0"
 
-defaults-deep@^0.2.4:
-  version "0.2.4"
-  resolved "https://registry.npmjs.org/defaults-deep/-/defaults-deep-0.2.4.tgz#a479cfeafce025810fb93aa8d2dde0ee2d677cc6"
-  integrity sha512-V6BtqzcMvn0EPOy7f+SfMhfmTawq+7UQdt9yZH0EBK89+IHo5f+Hse/qzTorAXOBrQpxpwb6cB/8OgtaMrT+Fg==
-  dependencies:
-    for-own "^0.1.3"
-    is-extendable "^0.1.1"
-    lazy-cache "^0.2.3"
-
 defaults@^1.0.3:
   version "1.0.3"
   resolved "https://registry.npmjs.org/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
@@ -3739,6 +3730,11 @@ define-property@^2.0.2:
     is-descriptor "^1.0.2"
     isobject "^3.0.1"
 
+defu@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.npmjs.org/defu/-/defu-0.0.1.tgz#74dc4d64e401d7f95c6755fe98bc5cd688833a8f"
+  integrity sha512-Pz9yznbSzVTNA67lcfqVnktROx2BrrBBcmQqGrfe0zdiN5pl5GQogLA4uaP3U1pR1LHIZpEYTAh2sn+v4rH1dA==
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -4288,10 +4284,10 @@ eslint@^5.12.1:
     table "^5.0.2"
     text-table "^0.2.0"
 
-esm@^3.1.4:
-  version "3.1.4"
-  resolved "https://registry.npmjs.org/esm/-/esm-3.1.4.tgz#d75f7c1b16e5be57e0446c267d8c0fda9566983d"
-  integrity sha512-GScwIz0110RTNzBmAQEdqaAYkD9zVhj2Jo+jeizjIcdyTw+C6S0Zv/dlPYgfF41hRTu2f1vQYliubzIkusx2gA==
+esm@^3.2.3:
+  version "3.2.3"
+  resolved "https://registry.npmjs.org/esm/-/esm-3.2.3.tgz#a5453468d030bdc5ec539f5ce5d9e95731f956d2"
+  integrity sha512-qkokqXI9pblukGvc0gG1FHMwKWjriIyCgDKbpzgtlis5tQ21dIFPL5s7ffcSVdE+k9Zw7R5ZC/dl0z/Ib5m1Pw==
 
 espree@^4.1.0:
   version "4.1.0"
@@ -4794,7 +4790,7 @@ for-in@^1.0.1, for-in@^1.0.2:
   resolved "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
   integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
 
-for-own@^0.1.3, for-own@^0.1.4:
+for-own@^0.1.4:
   version "0.1.5"
   resolved "https://registry.npmjs.org/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
   integrity sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=
@@ -6643,11 +6639,6 @@ launch-editor@^2.2.1:
     chalk "^2.3.0"
     shell-quote "^1.6.1"
 
-lazy-cache@^0.2.3:
-  version "0.2.7"
-  resolved "https://registry.npmjs.org/lazy-cache/-/lazy-cache-0.2.7.tgz#7feddf2dcb6edb77d11ef1d117ab5ffdf0ab1b65"
-  integrity sha1-f+3fLctu23fRHvHRF6tf/fCrG2U=
-
 lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
@@ -9935,12 +9926,12 @@ serialize-javascript@^1.3.0, serialize-javascript@^1.4.0, serialize-javascript@^
   resolved "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.6.1.tgz#4d1f697ec49429a847ca6f442a2a755126c4d879"
   integrity sha512-A5MOagrPFga4YaKQSWHryl7AXvbQkEqpw4NNYMTNYUNV51bA8ABHgYFpqKx+YFFrw59xMV1qGH1R4AgoNIVgCw==
 
-serve-placeholder@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.npmjs.org/serve-placeholder/-/serve-placeholder-1.1.0.tgz#3c0930b311a9896c3d90903bb8ea60fff12101b2"
-  integrity sha512-kMYOLX8hwcyQ/8nLuyPcOhGhi4c29sJLsfz3i1vOFQnYMtZdPSsJLxxblTU+5wf6CPHh/g3EYo/V/SQ6eVEO5Q==
+serve-placeholder@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.npmjs.org/serve-placeholder/-/serve-placeholder-1.1.1.tgz#aab67f559abda831d8ddc66ee3da8564304273d6"
+  integrity sha512-dkRNJTSHfkDJUpOSN8LAQav+BJlwiPETND4YDDCiTfb0Ot5RGBXx5vZa4qYugi6dA1eNow0tKTqTTKQSxqcpWw==
   dependencies:
-    defaults-deep "^0.2.4"
+    defu "^0.0.1"
 
 serve-static@1.13.2, serve-static@^1.13.2:
   version "1.13.2"