diff --git a/spec/package.json b/spec/package.json
index cc1804179717e..5a00596a3c981 100644
--- a/spec/package.json
+++ b/spec/package.json
@@ -40,7 +40,7 @@
     "mocha": "^10.0.0",
     "mocha-junit-reporter": "^1.18.0",
     "mocha-multi-reporters": "^1.1.7",
-    "pdfjs-dist": "4.2.67",
+    "pdfjs-dist": "4.4.168",
     "ps-list": "^7.0.0",
     "q": "^1.5.1",
     "send": "^0.19.0",