diff --git a/package-lock.json b/package-lock.json
index c1b939b410f2..b9aee5f6e45c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13530,6 +13530,11 @@
       "integrity": "sha1-nbHb0Pr43m++D13V5Wu2BigN5ps=",
       "dev": true
     },
+    "immutable": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/immutable/-/immutable-4.3.2.tgz",
+      "integrity": "sha512-oGXzbEDem9OOpDWZu88jGiYCvIsLHMvGw+8OXlpsvTFvIQplQbjg1B1cvKg8f7Hoch6+NGjpPsH1Fr+Mc2D1aA=="
+    },
     "import-fresh": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.2.1.tgz",
@@ -21951,11 +21956,13 @@
       }
     },
     "sass": {
-      "version": "1.26.3",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.26.3.tgz",
-      "integrity": "sha512-5NMHI1+YFYw4sN3yfKjpLuV9B5l7MqQ6FlkTcC4FT+oHbBRUZoSjHrrt/mE0nFXJyY2kQtU9ou9HxvFVjLFuuw==",
+      "version": "1.64.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.64.0.tgz",
+      "integrity": "sha512-m7YtAGmQta9uANIUJwXesAJMSncqH+3INc8kdVXs6eV6GUC8Qu2IYKQSN8PRLgiQfpca697G94klm2leYMxSHw==",
       "requires": {
-        "chokidar": ">=2.0.0 <4.0.0"
+        "chokidar": ">=3.0.0 <4.0.0",
+        "immutable": "^4.0.0",
+        "source-map-js": ">=0.6.2 <2.0.0"
       }
     },
     "sass-loader": {
@@ -22494,6 +22501,11 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
     },
+    "source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw=="
+    },
     "source-map-resolve": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.2.tgz",
diff --git a/package.json b/package.json
index c6613e4e45e2..d307f86f4dc7 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "revalidator": "^0.3.1",
     "rimraf": "^3.0.0",
     "rss-parser": "^3.12.0",
-    "sass": "^1.26.3",
+    "sass": "^1.64.0",
     "sass-loader": "^9.0.2",
     "search-with-your-keyboard": "1.1.0",
     "semver": "^5.7.1",