diff --git a/package.json b/package.json
index a38b54126..cd0b1f626 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
         "moment": "^2.18.1",
         "numeral": "^2.0.6",
         "parsleyjs": "^2.7.2",
-        "pdfjs-viewer-element": "2.5.4",
+        "pdfjs-viewer-element": "2.7.4",
         "poly2tri": "^1.5.0",
         "popper.js": "^1.16.1",
         "protobufjs": "7.2.5",