diff --git a/src/addons/attach/tsconfig.json b/src/addons/attach/tsconfig.json
index 12e75810d..359fbd240 100644
--- a/src/addons/attach/tsconfig.json
+++ b/src/addons/attach/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/attach/",
     "sourceMap": true,
diff --git a/src/addons/fit/tsconfig.json b/src/addons/fit/tsconfig.json
index f806af18e..bccb2ef17 100644
--- a/src/addons/fit/tsconfig.json
+++ b/src/addons/fit/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/fit/",
     "sourceMap": true,
diff --git a/src/addons/fullscreen/tsconfig.json b/src/addons/fullscreen/tsconfig.json
index 2fbb295f5..cdebd36d8 100644
--- a/src/addons/fullscreen/tsconfig.json
+++ b/src/addons/fullscreen/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/fullscreen/",
     "sourceMap": true,
diff --git a/src/addons/search/tsconfig.json b/src/addons/search/tsconfig.json
index 47876a007..5e9fa502e 100644
--- a/src/addons/search/tsconfig.json
+++ b/src/addons/search/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/search/",
     "sourceMap": true,
diff --git a/src/addons/terminado/tsconfig.json b/src/addons/terminado/tsconfig.json
index b664a5e03..66e90d90c 100644
--- a/src/addons/terminado/tsconfig.json
+++ b/src/addons/terminado/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/terminado/",
     "sourceMap": true,
diff --git a/src/addons/webLinks/tsconfig.json b/src/addons/webLinks/tsconfig.json
index 7dd999f6d..a1cc8968d 100644
--- a/src/addons/webLinks/tsconfig.json
+++ b/src/addons/webLinks/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/webLinks/",
     "sourceMap": true,
diff --git a/src/addons/winptyCompat/tsconfig.json b/src/addons/winptyCompat/tsconfig.json
index ecad25637..8a4fe2dc9 100644
--- a/src/addons/winptyCompat/tsconfig.json
+++ b/src/addons/winptyCompat/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/winptyCompat/",
     "sourceMap": true,
diff --git a/src/addons/zmodem/tsconfig.json b/src/addons/zmodem/tsconfig.json
index d4577108b..e2fdfeb04 100644
--- a/src/addons/zmodem/tsconfig.json
+++ b/src/addons/zmodem/tsconfig.json
@@ -2,6 +2,10 @@
   "compilerOptions": {
     "module": "commonjs",
     "target": "es5",
+    "lib": [
+      "dom",
+      "es6",
+    ],
     "rootDir": ".",
     "outDir": "../../../lib/addons/zmodem/",
     "sourceMap": true,
diff --git a/tsconfig.json b/tsconfig.json
index d7085822e..2d1d6e35f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,6 +5,7 @@
     "lib": [
       "dom",
       "es5",
+      "es6",
       "scripthost",
       "es2015.promise"
     ],