diff --git a/src-ui/angular.json b/src-ui/angular.json
index 2ff1bb3b0..79233eeda 100644
--- a/src-ui/angular.json
+++ b/src-ui/angular.json
@@ -31,7 +31,10 @@
 						"styles": [
 							"src/styles.scss"
 						],
-						"scripts": []
+						"scripts": [],
+						"allowedCommonJsDependencies": [
+							"ng2-pdf-viewer"
+						]
 					},
 					"configurations": {
 						"production": {
@@ -127,4 +130,4 @@
 		}
 	},
 	"defaultProject": "paperless-ui"
-}
\ No newline at end of file
+}