diff --git a/package-lock.json b/package-lock.json
index 432d27e8..e6b03d57 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -390,9 +390,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
-      "integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ=="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.0.tgz",
+      "integrity": "sha512-lTqkx847PI7xEDYJntxZH89L2/aXInsyF2luSafe/+0fHOMjlBNXdH6th7f70qxLDhul7KZK0zC8V5ZIyHl0/g=="
     },
     "typescript": {
       "version": "3.7.5",
diff --git a/package.json b/package.json
index 1e58340b..360b4b5c 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "@yume-chan/async-operation-manager": "^1.0.1",
-    "tslib": "^1.10.0",
+    "tslib": "^2.0.0",
     "xterm": "^4.3.0"
   }
 }