diff --git a/package-lock.json b/package-lock.json
index 5b728fc..5661635 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "@joist/di": "1.8.6",
         "@joist/router": "1.8.6",
         "lit-html": "1.4.1",
-        "tslib": "2.3.1"
+        "tslib": "2.6.1"
       },
       "devDependencies": {
         "@open-wc/testing": "3.0.1",
@@ -6902,9 +6902,9 @@
       "dev": true
     },
     "node_modules/tslib": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
-      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.1.tgz",
+      "integrity": "sha512-t0hLfiEKfMUoqhG+U1oid7Pva4bbDPHYfJNiB7BiIjRkj1pyC++4N3huJfqY6aRH6VTB0rvtzQwjM4K6qpfOig=="
     },
     "node_modules/tsscmp": {
       "version": "1.0.6",
@@ -12829,9 +12829,9 @@
       "dev": true
     },
     "tslib": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
-      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.1.tgz",
+      "integrity": "sha512-t0hLfiEKfMUoqhG+U1oid7Pva4bbDPHYfJNiB7BiIjRkj1pyC++4N3huJfqY6aRH6VTB0rvtzQwjM4K6qpfOig=="
     },
     "tsscmp": {
       "version": "1.0.6",
diff --git a/package.json b/package.json
index 29696a1..283111d 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@joist/di": "1.8.6",
     "@joist/router": "1.8.6",
     "lit-html": "1.4.1",
-    "tslib": "2.3.1"
+    "tslib": "2.6.1"
   },
   "devDependencies": {
     "@open-wc/testing": "3.0.1",