diff --git a/e2e/a11/package-lock.json b/e2e/a11/package-lock.json
index 0f4e8be73..d64167838 100644
--- a/e2e/a11/package-lock.json
+++ b/e2e/a11/package-lock.json
@@ -12999,9 +12999,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.0.tgz",
-      "integrity": "sha512-7At1WUettjcSRHXCyYtTselblcHl9PJFFVKiCAy/bY97+BPZXSQ2wbq0P9s8tK2G7dFQfNnlJnPAiArVBVBsfA=="
+      "version": "2.6.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.3.tgz",
+      "integrity": "sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ=="
     },
     "tty-browserify": {
       "version": "0.0.0",
diff --git a/e2e/a11/package.json b/e2e/a11/package.json
index 75ae7eb4f..5c1dd5d6e 100644
--- a/e2e/a11/package.json
+++ b/e2e/a11/package.json
@@ -33,7 +33,7 @@
     "@ngrx/entity": "11.1.1",
     "@ngrx/store": "11.1.1",
     "rxjs": "6.6.3",
-    "tslib": "2.6.0",
+    "tslib": "2.6.3",
     "zone.js": "0.10.3"
   },
   "devDependencies": {