diff --git a/package.json b/package.json
index ebbfe2117..85f7295da 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "minimatch-browser": "^1.0.0",
     "moment": "^2.24.0",
     "moment-es6": "1.0.0",
-    "pdfjs-dist": "^2.0.489",
+    "pdfjs-dist": "2.0.489",
     "rxjs": "^6.5.2",
     "zone.js": "0.8.29"
   },