diff --git a/package-lock.json b/package-lock.json
index 1909e82..a677fc2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,6 +45,13 @@
       "integrity": "sha512-B/JLuRZ/vbEKHRUiGj6xiMojST1kHhu4WcreLfNN7q9DqQFrb97cWgf/kiYsPSUCAMVN0HzfFc8XjJdzgZzfjw==",
       "requires": {
         "tslib": "^1.9.3"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.14.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+          "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+        }
       }
     },
     "@wry/trie": {
@@ -53,6 +60,13 @@
       "integrity": "sha512-sYkuXZqArky2MLQCv4tLW6hX3N8AfTZ5ZMBc8jC6Yy35WYr82UYLLtjS7k/uRGHOA0yTSjuNadG6QQ6a5CS5hQ==",
       "requires": {
         "tslib": "^1.14.1"
+      },
+      "dependencies": {
+        "tslib": {
+          "version": "1.14.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+          "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+        }
       }
     },
     "acorn": {
@@ -920,9 +934,10 @@
       }
     },
     "tslib": {
-      "version": "1.14.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
-      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.0.3.tgz",
+      "integrity": "sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==",
+      "dev": true
     },
     "typescript": {
       "version": "4.1.3",
diff --git a/package.json b/package.json
index 4935469..76020ff 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "rollup": "^2.9.1",
     "rollup-plugin-typescript2": "^0.29.0",
     "source-map-support": "^0.5.19",
-    "tslib": "^1.14.1",
+    "tslib": "^2.0.3",
     "typescript": "^4.0.3"
   },
   "dependencies": {