diff --git a/package.json b/package.json
index cc8ed214f7b9ab97af4c31787c1f2fd27eec9c45..130f7977ff168ca3799135cfa8f8b4bea2c5a025 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "jszip": "^3.5.0",
     "lit-element": "^2.3.1",
     "lit-html": "^1.2.1",
-    "pdfjs-dist": "2.7.570",
+    "pdfjs-dist": "2.8.335",
     "universal-router": "^9.0.1"
   },
   "scripts": {
diff --git a/yarn.lock b/yarn.lock
index b14d948c60a5ca568406251596115bd47f7232da..3485a69943ac14a9c26f3d5c711a4ec8ec3632da 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4994,10 +4994,10 @@ pathval@^1.1.1:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.1.tgz#8534e77a77ce7ac5a2512ea21e0fdb8fcf6c3d8d"
   integrity sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==
 
-pdfjs-dist@2.7.570:
-  version "2.7.570"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.7.570.tgz#7233241a2437ac22387656099b6e549d032f0b35"
-  integrity sha512-/ZkA1FwkEOyDaq11JhMLazdwQAA0F9uwrP7h/1L9Akt9KWh1G5/tkzS+bPuUELq2s2GDFnaT+kooN/aSjT7DXQ==
+pdfjs-dist@2.8.335:
+  version "2.8.335"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.8.335.tgz#06f602174b746def57edc8681a0f93c4029c89a1"
+  integrity sha512-2IKw7wP1RnzzWJcpkeZwF+cKROFiQext+/WburB6cgKwt9zc8rOyDH7a3FepdcciSGs8SDs/AuWe8qVx+iI6pw==
 
 performance-now@^2.1.0:
   version "2.1.0"