diff --git a/package-lock.json b/package-lock.json
index 287a7f6..77d5316 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,7 +31,7 @@
         "eslint-config-google": "^0.14.0",
         "eslint-plugin-polymer": "^0.4.0",
         "firebase-tools": "^9.1.2",
-        "rollup": "^2.33.1",
+        "rollup": "^2.79.2",
         "yaml": "^1.10.0"
       }
     },
@@ -1888,7 +1888,6 @@
       "dependencies": {
         "anymatch": "~3.1.1",
         "braces": "~3.0.2",
-        "fsevents": "~2.1.2",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -2992,8 +2991,7 @@
         "esprima": "^4.0.1",
         "estraverse": "^4.2.0",
         "esutils": "^2.0.2",
-        "optionator": "^0.8.1",
-        "source-map": "~0.6.1"
+        "optionator": "^0.8.1"
       },
       "bin": {
         "escodegen": "bin/escodegen.js",
@@ -5831,9 +5829,6 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.6"
-      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.6"
       }
@@ -8982,13 +8977,10 @@
       }
     },
     "node_modules/rollup": {
-      "version": "2.33.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.33.1.tgz",
-      "integrity": "sha512-uY4O/IoL9oNW8MMcbA5hcOaz6tZTMIh7qJHx/tzIJm+n1wLoY38BLn6fuy7DhR57oNFLMbDQtDeJoFURt5933w==",
+      "version": "2.79.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.79.2.tgz",
+      "integrity": "sha512-fS6iqSPZDs3dr/y7Od6y5nha8dW1YnbgtsyotCVvoFGKbERG++CVRFv1meyGDE1SNItQA8BrnCw7ScdAhRJ3XQ==",
       "dev": true,
-      "dependencies": {
-        "fsevents": "~2.1.2"
-      },
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -8996,7 +8988,21 @@
         "node": ">=10.0.0"
       },
       "optionalDependencies": {
-        "fsevents": "~2.1.2"
+        "fsevents": "~2.3.2"
+      }
+    },
+    "node_modules/rollup/node_modules/fsevents": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
+      "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
+      "dev": true,
+      "hasInstallScript": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
       }
     },
     "node_modules/router": {
@@ -9623,7 +9629,6 @@
         "on-finished": "^2.2.0",
         "on-headers": "^1.0.0",
         "path-to-regexp": "^1.8.0",
-        "re2": "^1.15.8",
         "router": "^1.3.1",
         "rsvp": "^4.8.5",
         "string-length": "^1.0.0",
@@ -9698,9 +9703,6 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "dev": true,
-      "dependencies": {
-        "graceful-fs": "^4.1.6"
-      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.6"
       }
@@ -18235,12 +18237,21 @@
       }
     },
     "rollup": {
-      "version": "2.33.1",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.33.1.tgz",
-      "integrity": "sha512-uY4O/IoL9oNW8MMcbA5hcOaz6tZTMIh7qJHx/tzIJm+n1wLoY38BLn6fuy7DhR57oNFLMbDQtDeJoFURt5933w==",
+      "version": "2.79.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.79.2.tgz",
+      "integrity": "sha512-fS6iqSPZDs3dr/y7Od6y5nha8dW1YnbgtsyotCVvoFGKbERG++CVRFv1meyGDE1SNItQA8BrnCw7ScdAhRJ3XQ==",
       "dev": true,
       "requires": {
-        "fsevents": "~2.1.2"
+        "fsevents": "~2.3.2"
+      },
+      "dependencies": {
+        "fsevents": {
+          "version": "2.3.3",
+          "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
+          "integrity": "sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==",
+          "dev": true,
+          "optional": true
+        }
       }
     },
     "router": {
diff --git a/package.json b/package.json
index b033bd8..386a5ae 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "eslint-config-google": "^0.14.0",
     "eslint-plugin-polymer": "^0.4.0",
     "firebase-tools": "^9.1.2",
-    "rollup": "^2.33.1",
+    "rollup": "^2.79.2",
     "yaml": "^1.10.0"
   },
   "author": "Google"