diff --git a/package-lock.json b/package-lock.json
index 8b6d5d0..37bce40 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5381,9 +5381,9 @@
       }
     },
     "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=="
     },
     "tsscmp": {
       "version": "1.0.6",
diff --git a/package.json b/package.json
index 33c73ba..a7efcec 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@joist/component": "1.8.4",
     "@joist/di": "1.8.4",
     "lit-html": "1.4.0",
-    "tslib": "2.2.0"
+    "tslib": "2.3.0"
   },
   "devDependencies": {
     "@open-wc/testing": "2.5.33",