diff --git a/package.json b/package.json
index 2d195a745a..30a79f59d9 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "core-js": "^3.6.5",
     "date-fns": "^2.16.1",
     "epubjs": "^0.3.85",
-    "pdfjs-dist": "2.4.456",
+    "pdfjs-dist": "2.5.207",
     "fast-text-encoding": "^1.0.3",
     "flv.js": "^1.5.0",
     "headroom.js": "^0.12.0",
diff --git a/yarn.lock b/yarn.lock
index 4d4314b544..5f2fbf5674 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8311,10 +8311,10 @@ pbkdf2@^3.0.3:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-pdfjs-dist@2.4.456:
-  version "2.4.456"
-  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.4.456.tgz#0eaad2906cda866bbb393e79a0e5b4e68bd75520"
-  integrity sha512-yckJEHq3F48hcp6wStEpbN9McOj328Ib09UrBlGAKxvN2k+qYPN5iq6TH6jD1C0pso7zTep+g/CKsYgdrQd5QA==
+pdfjs-dist@2.5.207:
+  version "2.5.207"
+  resolved "https://registry.yarnpkg.com/pdfjs-dist/-/pdfjs-dist-2.5.207.tgz#b5e8c19627be64269cd3fb6df3eaaf45ddffe7b6"
+  integrity sha512-xGDUhnCYPfHy+unMXCLCJtlpZaaZ17Ew3WIL0tnSgKFUZXHAPD49GO9xScyszSsQMoutNDgRb+rfBXIaX/lJbw==
 
 pend@~1.2.0:
   version "1.2.0"