diff --git a/composer.json b/composer.json
index 4641fc8b..ac32982e 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "symfony/intl": "^3.4|^4.2|^5.0",
         "khanamiryan/qrcode-detector-decoder": "^1.0.3",
         "kmukku/php-iso11649": "^1.5",
-        "endroid/qr-code": "^3.9"
+        "endroid/qr-code": "^3.9.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^6.4|^7.0",
diff --git a/composer.lock b/composer.lock
index 9d4349a4..e6c340d1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1ddc7e7f913eef77d9e6936323c0f1fe",
+    "content-hash": "dc5552868addb5b968fbb0e4339b15ba",
     "packages": [
         {
             "name": "bacon/bacon-qr-code",