diff --git a/package-lock.json b/package-lock.json
index bebf3a1e..7b9d66ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13867,9 +13867,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.2.0.tgz",
-      "integrity": "sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w=="
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.0.tgz",
+      "integrity": "sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg=="
     },
     "tslint": {
       "version": "6.1.3",
diff --git a/package.json b/package.json
index 395691c8..36470190 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "homepage": "https://github.com/VadimDez/ng2-pdf-viewer#readme",
   "dependencies": {
     "pdfjs-dist": "~2.7.570",
-    "tslib": "^2.0.0"
+    "tslib": "^2.3.0"
   },
   "peerDependencies": {
     "pdfjs-dist": "~2.7.570"