diff --git a/index.js b/index.js
index 260d9ed..389eee5 100644
--- a/index.js
+++ b/index.js
@@ -1,9 +1,79 @@
 const loaderUtils = require('loader-utils');
 const { optimize } = require('svgo');
+const { validate } = require('schema-utils');
 
 const svgSpriteState = require('./utils/spriteState');
 const transformSvg = require('./utils/transformSvg');
 
+const optionsSchema = {
+  $schema: 'http://json-schema.org/draft-07/schema#',
+  title: 'SvgSpriteGeneratorPlugin Options',
+  type: 'object',
+  properties: {
+    symbolId: {
+      description:
+        'Sprite item (single icon) `<symbol>` id attribute value. Can be a string or a function that takes the file path of the original icon and returns a string.',
+      oneOf: [
+        {
+          type: 'string',
+          description:
+            "String value for symbol id, e.g. '[name]' which defaults to the icon filename without extension.",
+        },
+        {
+          instanceof: 'Function',
+          description:
+            'Function that takes the file path of the original icon and returns a string.',
+        },
+      ],
+    },
+    spriteFilePath: {
+      type: 'string',
+      description:
+        'Path to sprite file. This path is relative to `webpack.output.path` and can include [interpolateName](https://github.com/webpack/loader-utils#interpolatename) patterns.',
+    },
+    svgoOptimize: {
+      description: 'Enable or disable SVG optimization',
+      oneOf: [
+        {
+          type: 'boolean',
+          description:
+            'Enable or disable SVG optimization with default settings.',
+        },
+        {
+          type: 'object',
+          description: 'Customize SVG optimization using svgo options.',
+          properties: {
+            plugins: {
+              type: 'array',
+              items: {
+                type: 'object',
+                properties: {
+                  name: {
+                    type: 'string',
+                    description: 'Name of the svgo plugin',
+                  },
+                  params: {
+                    type: 'object',
+                    description: 'Parameters for the svgo plugin',
+                  },
+                },
+                required: ['name'],
+              },
+            },
+          },
+        },
+      ],
+    },
+    addContent: {
+      type: 'boolean',
+      description:
+        'Add SVG content as property to transformed SVG object, which may increase bundle size.',
+    },
+  },
+  required: [],
+  additionalProperties: false,
+};
+
 function svgSpriteGenerationLoader(source) {
   const options = {
     symbolId: '[name]',
@@ -13,6 +83,13 @@ function svgSpriteGenerationLoader(source) {
     ...this.getOptions(),
   };
 
+  validate(optionsSchema, options, {
+    name: 'svgSpriteGenerationLoader',
+    baseDataPath: 'options',
+  });
+
+  this.cacheable(false);
+
   const isSvgoOptimizeEnabled = !!options.svgoOptimize;
   const svgoOptimizeConfig =
     options.svgoOptimize === true
diff --git a/package.json b/package.json
index ef4f0ff..f70ca50 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svg-sprite-generation-loader",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Webpack loader for generating external svg symbol sprite files",
   "main": "index.js",
   "scripts": {
@@ -36,6 +36,7 @@
   "homepage": "https://github.com/vadymshymko/svg-sprite-generation-loader#readme",
   "dependencies": {
     "loader-utils": "^3.2.1",
+    "schema-utils": "^4.2.0",
     "svgo": "^3.0.2"
   },
   "devDependencies": {
diff --git a/plugin.js b/plugin.js
index d45537b..b4fce43 100644
--- a/plugin.js
+++ b/plugin.js
@@ -21,29 +21,46 @@ class SvgSpriteGeneratorPlugin {
       SvgSpriteGeneratorPlugin.name,
       (compilation) => {
         compilation.hooks.processAssets.tap(
-          SvgSpriteGeneratorPlugin.name,
-          () => {
+          {
+            name: SvgSpriteGeneratorPlugin.name,
+            stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONAL,
+          },
+          (assets, callback) => {
             if (compilation.options.loader.target === 'web') {
-              Object.keys(svgSpriteState.sprites).forEach((spriteFilePath) => {
-                const spriteContent = svgSpriteState.getSpriteContent(
-                  spriteFilePath,
-                  this.params
-                );
+              try {
+                Object.keys(svgSpriteState.sprites).forEach(
+                  (spriteFilePath) => {
+                    const spriteContent = svgSpriteState.getSpriteContent(
+                      spriteFilePath,
+                      this.params
+                    );
 
-                const interpolatedPath = loaderUtils.interpolateName(
-                  { resourcePath: spriteFilePath },
-                  spriteFilePath,
-                  {
-                    context: compilation.options.context,
-                    content: spriteContent,
-                  }
-                );
+                    const interpolatedPath = loaderUtils.interpolateName(
+                      { resourcePath: spriteFilePath },
+                      spriteFilePath,
+                      {
+                        context: compilation.options.context,
+                        content: spriteContent,
+                      }
+                    );
 
-                compilation.emitAsset(
-                  interpolatedPath,
-                  new RawSource(spriteContent)
+                    if (compilation.getAsset(interpolatedPath)) {
+                      compilation.updateAsset(
+                        interpolatedPath,
+                        new RawSource(spriteContent)
+                      );
+                    } else {
+                      compilation.emitAsset(
+                        interpolatedPath,
+                        new RawSource(spriteContent)
+                      );
+                    }
+                  }
                 );
-              });
+              } catch (error) {
+                console.error(error);
+                callback(error);
+              }
             }
           }
         );
diff --git a/yarn.lock b/yarn.lock
index 55b7654..052aee4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -84,6 +84,11 @@
   resolved "https://registry.yarnpkg.com/@trysound/sax/-/sax-0.2.0.tgz#cccaab758af56761eb7bf37af6f03f326dd798ad"
   integrity sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==
 
+"@types/json-schema@^7.0.9":
+  version "7.0.15"
+  resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
+  integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
+
 "@types/json5@^0.0.29":
   version "0.0.29"
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
@@ -104,6 +109,20 @@ acorn@^8.9.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.9.0.tgz#78a16e3b2bcc198c10822786fa6679e245db5b59"
   integrity sha512-jaVNAFBHNLXspO543WnNNPZFRtavh3skAkITqD0/2aeMkKZTN+254PyhwxFYrk3vQ1xfY+2wbesJMs/JC8/PwQ==
 
+ajv-formats@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ajv-formats/-/ajv-formats-2.1.1.tgz#6e669400659eb74973bbf2e33327180a0996b520"
+  integrity sha512-Wx0Kx52hxE7C18hkMEggYlEifqWZtYaRgouJor+WMdPnQyEK13vgEWyVNup7SoeeoLMsr4kf5h6dOW11I15MUA==
+  dependencies:
+    ajv "^8.0.0"
+
+ajv-keywords@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-5.1.0.tgz#69d4d385a4733cdbeab44964a1170a88f87f0e16"
+  integrity sha512-YCS/JNFAUyr5vAuhk1DWm1CBxRHW9LbJ2ozWeemrIqpbsqKjHVxYPyi5GC0rjZIT5JxJ3virVTS8wk4i/Z+krw==
+  dependencies:
+    fast-deep-equal "^3.1.3"
+
 ajv@^6.12.4:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
@@ -114,6 +133,16 @@ ajv@^6.12.4:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^8.0.0, ajv@^8.9.0:
+  version "8.17.1"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-8.17.1.tgz#37d9a5c776af6bc92d7f4f9510eba4c0a60d11a6"
+  integrity sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==
+  dependencies:
+    fast-deep-equal "^3.1.3"
+    fast-uri "^3.0.1"
+    json-schema-traverse "^1.0.0"
+    require-from-string "^2.0.2"
+
 ansi-escapes@^6.2.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-6.2.0.tgz#8a13ce75286f417f1963487d86ba9f90dccf9947"
@@ -782,6 +811,11 @@ fast-levenshtein@^2.0.6:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha512-DCXu6Ifhqcks7TZKY3Hxp3y6qphY5SJZmrWMDrKcERSOXWQdMhU9Ig/PYrzyw/ul9jOIyh0N4M0tbC5hodg8dw==
 
+fast-uri@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/fast-uri/-/fast-uri-3.0.1.tgz#cddd2eecfc83a71c1be2cc2ef2061331be8a7134"
+  integrity sha512-MWipKbbYiYI0UC7cl8m/i/IWTqfC8YXsqjzybjddLsFjStroQzsHXkc73JutMvBiXmOvapk+axIl79ig5t55Bw==
+
 fastq@^1.6.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.13.0.tgz#616760f88a7526bdfc596b7cab8c18938c36b98c"
@@ -1245,6 +1279,11 @@ json-schema-traverse@^0.4.1:
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz#69f6a87d9513ab8bb8fe63bdb0979c448e684660"
   integrity sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==
 
+json-schema-traverse@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz#ae7bcb3656ab77a73ba5c49bf654f38e6b6860e2"
+  integrity sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==
+
 json-stable-stringify-without-jsonify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
@@ -1599,6 +1638,11 @@ regexp.prototype.flags@^1.5.0:
     define-properties "^1.2.0"
     functions-have-names "^1.2.3"
 
+require-from-string@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-2.0.2.tgz#89a7fdd938261267318eafe14f9c32e598c36909"
+  integrity sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==
+
 resolve-from@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
@@ -1664,6 +1708,16 @@ safe-regex-test@^1.0.0:
     get-intrinsic "^1.1.3"
     is-regex "^1.1.4"
 
+schema-utils@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-4.2.0.tgz#70d7c93e153a273a805801882ebd3bff20d89c8b"
+  integrity sha512-L0jRsrPpjdckP3oPug3/VxNKt2trR8TcabrM6FOAAlvC/9Phcmm+cuAgTlxBqdBR1WJx7Naj9WHw+aOmheSVbw==
+  dependencies:
+    "@types/json-schema" "^7.0.9"
+    ajv "^8.9.0"
+    ajv-formats "^2.1.1"
+    ajv-keywords "^5.1.0"
+
 semver@^6.3.0, semver@^6.3.1:
   version "6.3.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.1.tgz#556d2ef8689146e46dcea4bfdd095f3434dffcb4"