diff --git a/server/api/helpers/attachments/process-uploaded-file.js b/server/api/helpers/attachments/process-uploaded-file.js
index e4779698..786c7797 100644
--- a/server/api/helpers/attachments/process-uploaded-file.js
+++ b/server/api/helpers/attachments/process-uploaded-file.js
@@ -2,10 +2,11 @@ const fs = require('fs');
 const path = require('path');
 const rimraf = require('rimraf');
 const moveFile = require('move-file');
-const filenamify = require('filenamify');
 const { v4: uuid } = require('uuid');
 const sharp = require('sharp');
 
+const filenamify = require('../../../utils/filenamify');
+
 module.exports = {
   inputs: {
     file: {
@@ -17,7 +18,6 @@ module.exports = {
   async fn(inputs) {
     const dirname = uuid();
 
-    // FIXME: https://github.com/sindresorhus/filenamify/issues/13
     const filename = filenamify(inputs.file.filename);
 
     const rootPath = path.join(sails.config.custom.attachmentsPath, dirname);
diff --git a/server/package-lock.json b/server/package-lock.json
index 6487f43c..5d4126f3 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -9,7 +9,6 @@
         "bcrypt": "^5.1.1",
         "dotenv": "^16.4.5",
         "dotenv-cli": "^7.4.2",
-        "filenamify": "^4.3.0",
         "jsonwebtoken": "^9.0.2",
         "knex": "^3.1.0",
         "lodash": "^4.17.21",
@@ -2918,30 +2917,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/filename-reserved-regex": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/filename-reserved-regex/-/filename-reserved-regex-2.0.0.tgz",
-      "integrity": "sha512-lc1bnsSr4L4Bdif8Xb/qrtokGbq5zlsms/CYH8PP+WtCkGNF65DPiQY8vG3SakEdRn8Dlnm+gW/qWKKjS5sZzQ==",
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/filenamify": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/filenamify/-/filenamify-4.3.0.tgz",
-      "integrity": "sha512-hcFKyUG57yWGAzu1CMt/dPzYZuv+jAJUT85bL8mrXvNe6hWj6yEHEc4EdcgiA6Z3oi1/9wXJdZPXF2dZNgwgOg==",
-      "dependencies": {
-        "filename-reserved-regex": "^2.0.0",
-        "strip-outer": "^1.0.1",
-        "trim-repeated": "^1.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -7320,25 +7295,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/strip-outer": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/strip-outer/-/strip-outer-1.0.1.tgz",
-      "integrity": "sha512-k55yxKHwaXnpYGsOzg4Vl8+tDrWylxDEpknGjhTiZB8dFRU5rTo9CAzeycivxV3s+zlTKwrs6WxMxR95n26kwg==",
-      "dependencies": {
-        "escape-string-regexp": "^1.0.2"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/strip-outer/node_modules/escape-string-regexp": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==",
-      "engines": {
-        "node": ">=0.8.0"
-      }
-    },
     "node_modules/supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -7462,25 +7418,6 @@
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
       "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
-    "node_modules/trim-repeated": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/trim-repeated/-/trim-repeated-1.0.0.tgz",
-      "integrity": "sha512-pkonvlKk8/ZuR0D5tLW8ljt5I8kmxp2XKymhepUeOdCEfKpZaktSArkLHZt76OB1ZvO9bssUsDty4SWhLvZpLg==",
-      "dependencies": {
-        "escape-string-regexp": "^1.0.2"
-      },
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/trim-repeated/node_modules/escape-string-regexp": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==",
-      "engines": {
-        "node": ">=0.8.0"
-      }
-    },
     "node_modules/triple-beam": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.4.1.tgz",
diff --git a/server/package.json b/server/package.json
index 115e152c..00f682a6 100644
--- a/server/package.json
+++ b/server/package.json
@@ -30,7 +30,6 @@
     "bcrypt": "^5.1.1",
     "dotenv": "^16.4.5",
     "dotenv-cli": "^7.4.2",
-    "filenamify": "^4.3.0",
     "jsonwebtoken": "^9.0.2",
     "knex": "^3.1.0",
     "lodash": "^4.17.21",
diff --git a/server/utils/filenamify.js b/server/utils/filenamify.js
new file mode 100644
index 00000000..7674af11
--- /dev/null
+++ b/server/utils/filenamify.js
@@ -0,0 +1,76 @@
+/* https://github.com/sindresorhus/filename-reserved-regex */
+
+function filenameReservedRegex() {
+  return /[<>:"/\\|?*\u0000-\u001F]/g; // eslint-disable-line no-control-regex
+}
+
+function windowsReservedNameRegex() {
+  return /^(con|prn|aux|nul|com\d|lpt\d)$/i;
+}
+
+/* https://github.com/sindresorhus/filenamify */
+
+// Doesn't make sense to have longer filenames
+const MAX_FILENAME_LENGTH = 100;
+
+const reRelativePath = /^\.+(\\|\/)|^\.+$/;
+const reTrailingPeriods = /\.+$/;
+
+function filenamify(string, options = {}) {
+  const reControlChars = /[\u0000-\u001F\u0080-\u009F]/g; // eslint-disable-line no-control-regex
+  const reRepeatedReservedCharacters = /([<>:"/\\|?*\u0000-\u001F]){2,}/g; // eslint-disable-line no-control-regex
+
+  if (typeof string !== 'string') {
+    throw new TypeError('Expected a string');
+  }
+
+  const replacement = options.replacement === undefined ? '!' : options.replacement;
+
+  if (filenameReservedRegex().test(replacement) && reControlChars.test(replacement)) {
+    throw new Error('Replacement string cannot contain reserved filename characters');
+  }
+
+  /* eslint-disable no-param-reassign */
+  if (replacement.length > 0) {
+    string = string.replace(reRepeatedReservedCharacters, '$1');
+  }
+
+  string = string.normalize('NFD');
+  string = string.replace(reRelativePath, replacement);
+  string = string.replace(filenameReservedRegex(), replacement);
+  string = string.replace(reControlChars, replacement);
+  string = string.replace(reTrailingPeriods, '');
+
+  if (replacement.length > 0) {
+    const startedWithDot = string[0] === '.';
+
+    // We removed the whole filename
+    if (!startedWithDot && string[0] === '.') {
+      string = replacement + string;
+    }
+
+    // We removed the whole extension
+    if (string[string.length - 1] === '.') {
+      string += replacement;
+    }
+  }
+
+  string = windowsReservedNameRegex().test(string) ? string + replacement : string;
+  const allowedLength =
+    typeof options.maxLength === 'number' ? options.maxLength : MAX_FILENAME_LENGTH;
+  if (string.length > allowedLength) {
+    const extensionIndex = string.lastIndexOf('.');
+    if (extensionIndex === -1) {
+      string = string.slice(0, allowedLength);
+    } else {
+      const filename = string.slice(0, extensionIndex);
+      const extension = string.slice(extensionIndex);
+      string = filename.slice(0, Math.max(1, allowedLength - extension.length)) + extension;
+    }
+  }
+  /* eslint-enable no-param-reassign */
+
+  return string;
+}
+
+module.exports = filenamify;