diff --git a/amigor/composer.lock b/amigor/composer.lock
index 14eead6..69d4991 100644
--- a/amigor/composer.lock
+++ b/amigor/composer.lock
@@ -137,11 +137,11 @@
         },
         {
             "name": "cybex/laravel-transmorpher-client",
-            "version": "dev-fix/improve-overwrite-fix",
+            "version": "dev-fix/unintended-requests-on-mimetype-validation-error",
             "dist": {
                 "type": "path",
                 "url": "vendor/cybex/laravel-transmorpher-client",
-                "reference": "c954f5533b75ad0e08ac2f6db7e3f64065121020"
+                "reference": "95f2af449ea6d05ecd24d571d1c1d5d92ec4aa2f"
             },
             "require": {
                 "enyo/dropzone": "^5.9",
diff --git a/amigor/public/vendor/transmorpher/mix-manifest.json b/amigor/public/vendor/transmorpher/mix-manifest.json
index 0c98ec0..1f87466 100644
--- a/amigor/public/vendor/transmorpher/mix-manifest.json
+++ b/amigor/public/vendor/transmorpher/mix-manifest.json
@@ -1,5 +1,5 @@
 {
-    "/transmorpher.js": "/transmorpher.js?id=87f85bfe73123b6a5abd7f638bd951ed",
+    "/transmorpher.js": "/transmorpher.js?id=1583a86bf2270919b4e8e6750dfbdf5c",
     "/transmorpher.css": "/transmorpher.css?id=56dbb0cba726c3e63f1c109f6b9a6f1b",
     "/icons/delete.svg": "/icons/delete.svg?id=f88179ccc3649c47f2264315be6c0421",
     "/icons/enlargen.svg": "/icons/enlargen.svg?id=9f560ce3f022646dbb826a066715a343",
diff --git a/amigor/public/vendor/transmorpher/transmorpher.js b/amigor/public/vendor/transmorpher/transmorpher.js
index 6cb645c..0dbc194 100644
--- a/amigor/public/vendor/transmorpher/transmorpher.js
+++ b/amigor/public/vendor/transmorpher/transmorpher.js
@@ -47,6 +47,7 @@ if (!window.transmorpherScriptLoaded) {
       dictDefaultMessage: medium.translations['drop_files_to_upload'],
       dictFileTooBig: medium.translations['max_file_size_exceeded'],
       dictInvalidFileType: medium.translations['invalid_file_type'],
+      createImageThumbnails: false,
       init: function init() {
         // Processing-Event is emitted when the upload starts.
         this.on('processing', function () {
@@ -123,11 +124,7 @@ if (!window.transmorpherScriptLoaded) {
         if (errorElement = this.element.querySelector('.dz-error')) {
           errorElement.remove();
         }
-
-        // Dropzone only emits the "thumbnail" event for images.
-        if (!file.type.match(/image.*/)) {
-          this.emit("thumbnail", file);
-        }
+        this.emit("thumbnail", file);
       },
       // Update database when upload was canceled manually.
       canceled: function canceled(file) {
diff --git a/dist/mix-manifest.json b/dist/mix-manifest.json
index 0c98ec0..1f87466 100644
--- a/dist/mix-manifest.json
+++ b/dist/mix-manifest.json
@@ -1,5 +1,5 @@
 {
-    "/transmorpher.js": "/transmorpher.js?id=87f85bfe73123b6a5abd7f638bd951ed",
+    "/transmorpher.js": "/transmorpher.js?id=1583a86bf2270919b4e8e6750dfbdf5c",
     "/transmorpher.css": "/transmorpher.css?id=56dbb0cba726c3e63f1c109f6b9a6f1b",
     "/icons/delete.svg": "/icons/delete.svg?id=f88179ccc3649c47f2264315be6c0421",
     "/icons/enlargen.svg": "/icons/enlargen.svg?id=9f560ce3f022646dbb826a066715a343",
diff --git a/dist/transmorpher.js b/dist/transmorpher.js
index 6cb645c..0dbc194 100644
--- a/dist/transmorpher.js
+++ b/dist/transmorpher.js
@@ -47,6 +47,7 @@ if (!window.transmorpherScriptLoaded) {
       dictDefaultMessage: medium.translations['drop_files_to_upload'],
       dictFileTooBig: medium.translations['max_file_size_exceeded'],
       dictInvalidFileType: medium.translations['invalid_file_type'],
+      createImageThumbnails: false,
       init: function init() {
         // Processing-Event is emitted when the upload starts.
         this.on('processing', function () {
@@ -123,11 +124,7 @@ if (!window.transmorpherScriptLoaded) {
         if (errorElement = this.element.querySelector('.dz-error')) {
           errorElement.remove();
         }
-
-        // Dropzone only emits the "thumbnail" event for images.
-        if (!file.type.match(/image.*/)) {
-          this.emit("thumbnail", file);
-        }
+        this.emit("thumbnail", file);
       },
       // Update database when upload was canceled manually.
       canceled: function canceled(file) {
diff --git a/src/resources/js/transmorpher.js b/src/resources/js/transmorpher.js
index 93f4920..7747f31 100644
--- a/src/resources/js/transmorpher.js
+++ b/src/resources/js/transmorpher.js
@@ -43,6 +43,7 @@ if (!window.transmorpherScriptLoaded) {
             dictDefaultMessage: medium.translations['drop_files_to_upload'],
             dictFileTooBig: medium.translations['max_file_size_exceeded'],
             dictInvalidFileType: medium.translations['invalid_file_type'],
+            createImageThumbnails: false,
             init: function () {
                 // Processing-Event is emitted when the upload starts.
                 this.on('processing', function () {
@@ -108,10 +109,7 @@ if (!window.transmorpherScriptLoaded) {
                     errorElement.remove();
                 }
 
-                // Dropzone only emits the "thumbnail" event for images.
-                if (!file.type.match(/image.*/)) {
-                    this.emit("thumbnail", file);
-                }
+                this.emit("thumbnail", file);
             },
             // Update database when upload was canceled manually.
             canceled: function (file) {