diff --git a/lib/enableMultipart.js b/lib/enableMultipart.js
index 684e0376..fd1d7110 100644
--- a/lib/enableMultipart.js
+++ b/lib/enableMultipart.js
@@ -20,7 +20,7 @@ module.exports = app => {
     // only process forms with multipart content-type
     if (typeof contentType === 'string' && contentType.includes('multipart/form-data')) {
       // generate form object with formidable
-      const form = formidable(params)
+      const form = new formidable.IncomingForm(params)
 
       form.parse(req, (err, fields, files) => {
         if (err) {
@@ -38,19 +38,21 @@ module.exports = app => {
          * Remove tmp files left behind by formidable
          */
         function cleanup () {
-          for (const key in files) {
-            const file = files[key]
-            const filePath = file.filepath
-
-            if (typeof filePath === 'string') {
-              fs.remove(filePath, err => {
-                if (err) {
-                  logger.error(`${appName} failed to remove tmp file: ${filePath}\n`, err)
-                }
-              })
+          for (const fileArray of Object.values(files)) {
+            for (const file of fileArray) {
+              const filePath = file.filepath
+
+              if (typeof filePath === 'string') {
+                fs.remove(filePath, err => {
+                  if (err) {
+                    logger.error(`${appName} failed to remove tmp file: ${filePath}\n`, err)
+                  }
+                })
+              }
             }
           }
         }
+
         next()
       })
     } else {
diff --git a/package-lock.json b/package-lock.json
index a984b8ff..3f0f84d0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "execa": "7.2.0",
         "express": "4.18.2",
         "express-html-validator": "0.2.1",
-        "formidable": "2.1.2",
+        "formidable": "3.5.1",
         "fs-extra": "11.1.1",
         "helmet": "7.0.0",
         "html-minifier": "4.0.0",
@@ -3202,14 +3202,13 @@
       }
     },
     "node_modules/formidable": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
-      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-3.5.1.tgz",
+      "integrity": "sha512-WJWKelbRHN41m5dumb0/k8TeAx7Id/y3a+Z7QfhxP/htI9Js5zYaEDtG8uMgG0vM0lOlqnmjE99/kfpOYi/0Og==",
       "dependencies": {
         "dezalgo": "^1.0.4",
         "hexoid": "^1.0.0",
-        "once": "^1.4.0",
-        "qs": "^6.11.0"
+        "once": "^1.4.0"
       },
       "funding": {
         "url": "https://ko-fi.com/tunnckoCore/commissions"
@@ -6881,6 +6880,21 @@
         }
       }
     },
+    "node_modules/superagent/node_modules/formidable": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/formidable/-/formidable-2.1.2.tgz",
+      "integrity": "sha512-CM3GuJ57US06mlpQ47YcunuUZ9jpm8Vx+P2CGt2j7HpgkKZO/DJYQ0Bobim8G6PFQmK5lOqOOdUXboU+h73A4g==",
+      "dev": true,
+      "dependencies": {
+        "dezalgo": "^1.0.4",
+        "hexoid": "^1.0.0",
+        "once": "^1.4.0",
+        "qs": "^6.11.0"
+      },
+      "funding": {
+        "url": "https://ko-fi.com/tunnckoCore/commissions"
+      }
+    },
     "node_modules/superagent/node_modules/mime": {
       "version": "2.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-2.6.0.tgz",
diff --git a/package.json b/package.json
index 64a59c5a..e3bd5fd2 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "execa": "7.2.0",
     "express": "4.18.2",
     "express-html-validator": "0.2.1",
-    "formidable": "2.1.2",
+    "formidable": "3.5.1",
     "fs-extra": "11.1.1",
     "helmet": "7.0.0",
     "html-minifier": "4.0.0",
diff --git a/test/multipart.js b/test/multipart.js
index de3b7d96..6b10eae0 100644
--- a/test/multipart.js
+++ b/test/multipart.js
@@ -63,12 +63,19 @@ describe('multipart/formidable', () => {
           const files = req.files
 
           // move files to 'complete' directory
-          for (const key in files) {
-            const file = files[key]
-            const filePath = file.filepath
-
-            if (typeof filePath === 'string') {
-              fs.copyFileSync(filePath, path.join(completeDir, file.originalFilename))
+          for (const fileArray of Object.values(files)) {
+            for (const file of fileArray) {
+              const filePath = file.filepath
+              const originalFilename = file.originalFilename
+              const destPath = path.join(completeDir, originalFilename)
+
+              if (typeof filePath === 'string') {
+                try {
+                  fs.moveSync(filePath, destPath)
+                } catch (error) {
+                  console.error(`Error moving file: ${error}`)
+                }
+              }
             }
           }