diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index f55fdb366..ca234f29f 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x]
+        node-version: [12.x, 14.x, 16.x]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/packages/xarc-opt-sass/package.json b/packages/xarc-opt-sass/package.json
index b636ea4dc..132a28710 100644
--- a/packages/xarc-opt-sass/package.json
+++ b/packages/xarc-opt-sass/package.json
@@ -31,8 +31,8 @@
     "prepare": "shx cp node_modules/opt-archetype-check/xarc-opt-check.js ."
   },
   "dependencies": {
-    "node-sass": "^4.9.3",
-    "sass-loader": "^6.0.6"
+    "node-sass": "^7.0.1",
+    "sass-loader": "^13.0.2"
   },
   "devDependencies": {
     "opt-archetype-check": "1.0.0",