diff --git a/gulpfile.babel.js b/gulpfile.babel.js
index 398732d..52e7294 100644
--- a/gulpfile.babel.js
+++ b/gulpfile.babel.js
@@ -12,9 +12,13 @@ import path     from 'path';
 import merge    from 'merge-stream';
 import beep     from 'beepbeep';
 
+// node v10 fix
+import 'globalthis/auto';
+
 const $ = plugins();
 
-var dartSass = require('gulp-sass');
+var dartSass = require('gulp-sass')(require('sass'));
+
 dartSass.compiler = require('sass');
 
 // Look for the --production flag
@@ -74,8 +78,8 @@ function resetPages(done) {
 function sass() {
   return gulp.src('src/assets/scss/app.scss')
     .pipe($.if(!PRODUCTION, $.sourcemaps.init()))
-    .pipe(dartSass.sync({
-        includePaths: ['node_modules/foundation-emails/scss']
+    .pipe(dartSass({
+      includePaths: ['node_modules/foundation-emails/scss']
     }).on('error', dartSass.logError))
     .pipe($.if(PRODUCTION, $.uncss(
       {
diff --git a/package.json b/package.json
index d7ac453..01a6ebf 100644
--- a/package.json
+++ b/package.json
@@ -24,40 +24,41 @@
     "browser-sync": "^2.11.0",
     "colors": "^1.1.2",
     "gulp": "^4.0.2",
-    "gulp-autoprefixer": "^7.0.1",
+    "gulp-autoprefixer": "^8.0.0",
     "gulp-cached": "^1.1.0",
     "gulp-concat": "^2.6.0",
     "gulp-htmlmin": "^5.0.1",
     "gulp-if": "^3.0.0",
     "gulp-inject-string": "^1.1.0",
-    "gulp-inline-css": "^3.4.0",
+    "gulp-inline-css": "^4.0.0",
     "gulp-load-plugins": "^2.0.1",
-    "gulp-postcss": "^8.0.0",
+    "gulp-postcss": "^9.0.1",
     "gulp-prettify": "^0.5.0",
     "gulp-prompt": "^1.2.0",
-    "gulp-rename": "^1.2.2",
-    "gulp-rsync": "0.0.8",
-    "gulp-sass": "^4.1.0",
+    "gulp-rename": "^2.0.0",
+    "gulp-rsync": "0.1.0",
+    "gulp-sass": "^5.1.0",
     "gulp-sass-lint": "^1.4.0",
-    "gulp-sourcemaps": "^2.6.5",
+    "gulp-sourcemaps": "^3.0.0",
     "gulp-uncss": "^1.0.1",
     "gulp-wrap": "^0.15.0",
     "gulp-zip": "^5.0.1",
-    "gulp-awspublish": "^3.0.1",
-    "gulp-cli": "^1.1.0",
+    "gulp-awspublish": "^7.1.0",
+    "gulp-cli": "^2.3.0",
     "gulp-html-src": "^1.0.0",
-    "gulp-imagemin": "^2.4.0",
+    "gulp-imagemin": "^7.1.0",
     "gulp-litmus": "0.0.7",
-    "gulp-mail": "^0.1.1",
-    "gulp-replace": "^0.5.4",
+    "gulp-mail": "^0.4.2",
+    "gulp-replace": "^1.1.4",
     "inky": "^1.4.1",
     "lazypipe": "^1.0.1",
-    "merge-stream": "^1.0.0",
-    "panini": "^1.3.0",
-    "rimraf": "^2.3.3",
-    "sass": "^1.35.2",
+    "merge-stream": "^2.0.0",
+    "panini": "^1.7.1",
+    "rimraf": "^3.0.2",
+    "sass": "^1.49.9",
     "siphon-media-query": "^1.0.0",
-    "yargs": "^4.1.0"
+    "yargs": "^16.2.0",
+    "globalthis": "^1.0.3"
   },
   "babel": {
     "presets": [