diff --git a/package-lock.json b/package-lock.json
index 209c4f2..3f0a117 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,12 @@
 {
   "name": "reveal.js",
-  "version": "4.1.0",
+  "version": "4.1.3",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "4.1.0",
+      "name": "reveal.js",
+      "version": "4.1.3",
       "license": "MIT",
       "devDependencies": {
         "@babel/core": "^7.14.3",
@@ -33,7 +34,7 @@
         "qunit": "^2.10.0",
         "rollup": "^2.48.0",
         "rollup-plugin-terser": "^7.0.2",
-        "sass": "^1.32.13",
+        "sass": "^1.39.2",
         "yargs": "^15.1.0"
       },
       "engines": {
@@ -7671,9 +7672,9 @@
       "dev": true
     },
     "node_modules/sass": {
-      "version": "1.32.13",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.32.13.tgz",
-      "integrity": "sha512-dEgI9nShraqP7cXQH+lEXVf73WOPCse0QlFzSD8k+1TcOxCMwVXfQlr0jtoluZysQOyJGnfr21dLvYKDJq8HkA==",
+      "version": "1.42.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.42.1.tgz",
+      "integrity": "sha512-/zvGoN8B7dspKc5mC6HlaygyCBRvnyzzgD5khiaCfglWztY99cYoiTUksVx11NlnemrcfH5CEaCpsUKoW0cQqg==",
       "dev": true,
       "dependencies": {
         "chokidar": ">=3.0.0 <4.0.0"
@@ -15679,9 +15680,9 @@
       "dev": true
     },
     "sass": {
-      "version": "1.32.13",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.32.13.tgz",
-      "integrity": "sha512-dEgI9nShraqP7cXQH+lEXVf73WOPCse0QlFzSD8k+1TcOxCMwVXfQlr0jtoluZysQOyJGnfr21dLvYKDJq8HkA==",
+      "version": "1.42.1",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.42.1.tgz",
+      "integrity": "sha512-/zvGoN8B7dspKc5mC6HlaygyCBRvnyzzgD5khiaCfglWztY99cYoiTUksVx11NlnemrcfH5CEaCpsUKoW0cQqg==",
       "dev": true,
       "requires": {
         "chokidar": ">=3.0.0 <4.0.0"