diff --git a/package-lock.json b/package-lock.json
index e66389a..f5e2cbb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2322,9 +2322,9 @@
       "dev": true
     },
     "bluebird": {
-      "version": "3.7.1",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.1.tgz",
-      "integrity": "sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==",
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
       "dev": true
     },
     "bn.js": {
@@ -9902,9 +9902,9 @@
       "dev": true
     },
     "serialize-javascript": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
-      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+      "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
       "dev": true
     },
     "set-blocking": {
@@ -10560,9 +10560,9 @@
       }
     },
     "stream-shift": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
-      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.1.tgz",
+      "integrity": "sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==",
       "dev": true
     },
     "string-argv": {
@@ -10802,9 +10802,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.0.tgz",
-      "integrity": "sha512-oDG16n2WKm27JO8h4y/w3iqBGAOSCtq7k8dRmrn4Wf9NouL0b2WpMHGChFGZq4nFAQy1FsNJrVQHfurXOSTmOA==",
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.3.tgz",
+      "integrity": "sha512-0ikKraVtRDKGzHrzkCv5rUNDzqlhmhowOBqC0XqUHFpW+vJ45+20/IFBcebwKfiS2Z9fJin6Eo+F1zLZsxi8RA==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -10827,16 +10827,16 @@
       }
     },
     "terser-webpack-plugin": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz",
-      "integrity": "sha512-ZXmmfiwtCLfz8WKZyYUuuHf3dMYEjg8NrjHMb0JqHVHVOSkzp3cW2/XG1fP3tRhqEqSzMwzzRQGtAPbs4Cncxg==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.3.tgz",
+      "integrity": "sha512-QMxecFz/gHQwteWwSo5nTc6UaICqN1bMedC5sMtUc7y3Ha3Q8y6ZO0iCR8pq4RJC8Hjf0FEPEHZqcMB/+DFCrA==",
       "dev": true,
       "requires": {
         "cacache": "^12.0.2",
         "find-cache-dir": "^2.1.0",
         "is-wsl": "^1.1.0",
         "schema-utils": "^1.0.0",
-        "serialize-javascript": "^1.7.0",
+        "serialize-javascript": "^2.1.2",
         "source-map": "^0.6.1",
         "terser": "^4.1.2",
         "webpack-sources": "^1.4.0",
diff --git a/src/options.json b/src/options.json
index c76fd02..4b82ada 100644
--- a/src/options.json
+++ b/src/options.json
@@ -58,6 +58,7 @@
       ]
     },
     "esModule": {
+      "description": "By default, file-loader generates JS modules that use the ES modules syntax.",
       "type": "boolean"
     }
   },
diff --git a/test/__snapshots__/validate-options.test.js.snap b/test/__snapshots__/validate-options.test.js.snap
index 12d0886..9e08197 100644
--- a/test/__snapshots__/validate-options.test.js.snap
+++ b/test/__snapshots__/validate-options.test.js.snap
@@ -14,7 +14,8 @@ exports[`validate options should throw an error on the "emitFile" option with "t
 
 exports[`validate options should throw an error on the "esModule" option with "true" value 1`] = `
 "Invalid options object. File Loader has been initialised using an options object that does not match the API schema.
- - options.esModule should be a boolean."
+ - options.esModule should be a boolean.
+   -> By default, file-loader generates JS modules that use the ES modules syntax."
 `;
 
 exports[`validate options should throw an error on the "name" option with "true" value 1`] = `