diff --git a/package-lock.json b/package-lock.json
index c303be8..3a125b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -978,9 +978,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "3.19.0",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.19.0.tgz",
-      "integrity": "sha512-L1TpFRWXZ76vH1yLM+z6KssLZrP8Z6GxxW4auoCj+XiViOzNPJCAuTIkn03BGdFe6Z5clX5t64wRIRypsZQrUg==",
+      "version": "3.33.3",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.33.3.tgz",
+      "integrity": "sha512-lo0kOocUlLKmm6kv/FswQL8zbkH7mVsLJ/FULClOhv8WRVmKLVcs6XPNQAzstfeJTCHMyButEwG+z1kHxHoDZw==",
       "dev": true
     },
     "core-util-is": {
@@ -1287,12 +1287,12 @@
       "dev": true
     },
     "excalibur": {
-      "version": "0.25.1",
-      "resolved": "https://registry.npmjs.org/excalibur/-/excalibur-0.25.1.tgz",
-      "integrity": "sha512-wOIc/3mpCUq6jkxgndUhGhsjsTmvmlYuN3i4V2I+zrzsTT+whLuV7MU+izOMhYLkAOSr07o+8nNmX4yrXeezvg==",
+      "version": "0.28.6",
+      "resolved": "https://registry.npmjs.org/excalibur/-/excalibur-0.28.6.tgz",
+      "integrity": "sha512-1EZGa7LPC1Ad+BsbvPXzz+l59DV6IkFDdat/Uc0V7bZl05rftpIZkBuJ8Mb5+juHq+0T921clg5tmlQX/bZ/BQ==",
       "dev": true,
       "requires": {
-        "core-js": "3.19.0"
+        "core-js": "3.33.3"
       }
     },
     "excalibur-jasmine": {
diff --git a/package.json b/package.json
index 659842d..6550cbf 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@types/jasmine": "3.10.7",
     "@types/webpack-env": "1.18.0",
     "cross-env": "7.0.3",
-    "excalibur": "0.25.1",
+    "excalibur": "0.28.6",
     "excalibur-jasmine": "0.2.0",
     "jasmine-core": "3.99.1",
     "karma": "6.4.2",
@@ -44,6 +44,6 @@
     "webpack-dev-server": "4.13.3"
   },
   "peerDependencies": {
-    "excalibur": "0.25.1"
+    "excalibur": "0.28.6"
   }
 }