diff --git a/packages/lit-helper/package.json b/packages/lit-helper/package.json
index 6d949ee..a38d239 100644
--- a/packages/lit-helper/package.json
+++ b/packages/lit-helper/package.json
@@ -46,7 +46,7 @@
     "@vaadin/router": "^1.7.5",
     "lit": "^3.1.3",
     "lit-html": "^3.1.2",
-    "tslib": "^2.6.2",
+    "tslib": "^2.6.3",
     "type-fest": "^4.13.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 7bd6e52..7cadd4c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -308,7 +308,7 @@ __metadata:
     "@vaadin/router": "npm:^1.7.5"
     lit: "npm:^3.1.3"
     lit-html: "npm:^3.1.2"
-    tslib: "npm:^2.6.2"
+    tslib: "npm:^2.6.3"
     type-fest: "npm:^4.13.0"
   languageName: unknown
   linkType: soft
@@ -6709,13 +6709,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tslib@npm:^2.1.0, tslib@npm:^2.4.0, tslib@npm:^2.6.2":
+"tslib@npm:^2.1.0, tslib@npm:^2.4.0":
   version: 2.6.2
   resolution: "tslib@npm:2.6.2"
   checksum: 10c0/e03a8a4271152c8b26604ed45535954c0a45296e32445b4b87f8a5abdb2421f40b59b4ca437c4346af0f28179780d604094eb64546bee2019d903d01c6c19bdb
   languageName: node
   linkType: hard
 
+"tslib@npm:^2.6.3":
+  version: 2.6.3
+  resolution: "tslib@npm:2.6.3"
+  checksum: 10c0/2598aef53d9dbe711af75522464b2104724d6467b26a60f2bdac8297d2b5f1f6b86a71f61717384aa8fd897240467aaa7bcc36a0700a0faf751293d1331db39a
+  languageName: node
+  linkType: hard
+
 "tuf-js@npm:^2.2.0":
   version: 2.2.0
   resolution: "tuf-js@npm:2.2.0"