diff --git a/frontend/e2e/tsconfig.json b/frontend/e2e/tsconfig.json
index e154323..1d9e5ed 100644
--- a/frontend/e2e/tsconfig.json
+++ b/frontend/e2e/tsconfig.json
@@ -4,10 +4,7 @@
     "outDir": "../out-tsc/e2e",
     "baseUrl": "./",
     "module": "commonjs",
-    "target": "es2015",
-    "lib": [
-      "es2015"
-    ],
+    "target": "es5",
     "types": [
       "jasmine",
       "jasminewd2",
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 304f95f..a751ea8 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -42,6 +42,7 @@
         "@types/jasmine": "~3.4.6",
         "@types/jasminewd2": "~2.0.8",
         "@types/node": "^12.12.42",
+        "@types/puppeteer": "5.4.3",
         "@typescript-eslint/eslint-plugin": "4.19.0",
         "@typescript-eslint/parser": "4.19.0",
         "codelyzer": "^5.2.2",
@@ -3390,6 +3391,15 @@
       "integrity": "sha512-8Jduo8wvvwDzEVJCOvS/G6sgilOLvvhn1eMmK3TW8/T217O7u1jdrK6ImKLv80tVryaPSVeKu6sjDEiFjd4/eg==",
       "dev": true
     },
+    "node_modules/@types/puppeteer": {
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/@types/puppeteer/-/puppeteer-5.4.3.tgz",
+      "integrity": "sha512-3nE8YgR9DIsgttLW+eJf6mnXxq8Ge+27m5SU3knWmrlfl6+KOG0Bf9f7Ua7K+C4BnaTMAh3/UpySqdAYvrsvjg==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/q": {
       "version": "1.5.4",
       "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.4.tgz",
@@ -25595,6 +25605,15 @@
       "integrity": "sha512-8Jduo8wvvwDzEVJCOvS/G6sgilOLvvhn1eMmK3TW8/T217O7u1jdrK6ImKLv80tVryaPSVeKu6sjDEiFjd4/eg==",
       "dev": true
     },
+    "@types/puppeteer": {
+      "version": "5.4.3",
+      "resolved": "https://registry.npmjs.org/@types/puppeteer/-/puppeteer-5.4.3.tgz",
+      "integrity": "sha512-3nE8YgR9DIsgttLW+eJf6mnXxq8Ge+27m5SU3knWmrlfl6+KOG0Bf9f7Ua7K+C4BnaTMAh3/UpySqdAYvrsvjg==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/q": {
       "version": "1.5.4",
       "resolved": "https://registry.npmjs.org/@types/q/-/q-1.5.4.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index d5d63d2..1970724 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -45,6 +45,7 @@
     "@types/jasmine": "~3.4.6",
     "@types/jasminewd2": "~2.0.8",
     "@types/node": "^12.12.42",
+    "@types/puppeteer": "5.4.3",
     "@typescript-eslint/eslint-plugin": "4.19.0",
     "@typescript-eslint/parser": "4.19.0",
     "codelyzer": "^5.2.2",