diff --git a/SBOLCanvasFrontend/package.json b/SBOLCanvasFrontend/package.json
index b656b86b..19877e06 100644
--- a/SBOLCanvasFrontend/package.json
+++ b/SBOLCanvasFrontend/package.json
@@ -50,7 +50,7 @@
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^0.2.2",
-    "node-sass": "^8.0.0",
+    "node-sass": "^4.13.1",
     "protractor": "~5.4.0",
     "ts-node": "~7.0.0",
     "tslint": "~5.11.0",