diff --git a/webapp/package-lock.json b/webapp/package-lock.json
index e6937082..f1d0023e 100644
--- a/webapp/package-lock.json
+++ b/webapp/package-lock.json
@@ -14,7 +14,7 @@
                 "@solid-primitives/websocket": "1.3.2",
                 "js-cookie": "3.0.7",
                 "solid-js": "1.9.13",
-                "temporal-polyfill-lite": "^0.3.5"
+                "temporal-polyfill-lite": "^0.4.0"
             },
             "devDependencies": {
                 "@biomejs/biome": "2.4.16",
@@ -2855,9 +2855,9 @@
             }
         },
         "node_modules/temporal-polyfill-lite": {
-            "version": "0.3.5",
-            "resolved": "https://registry.npmjs.org/temporal-polyfill-lite/-/temporal-polyfill-lite-0.3.5.tgz",
-            "integrity": "sha512-np3EcFbuGJrJ8fp3rKTwpvfvPlkh54IY873Xh+5133Pq1QQy1mkNXrDmJjjZ35dhQkrJpVx8RwaNWt0189iDfg==",
+            "version": "0.4.0",
+            "resolved": "https://registry.npmjs.org/temporal-polyfill-lite/-/temporal-polyfill-lite-0.4.0.tgz",
+            "integrity": "sha512-Bwx9kt1xDsMqOKsRuprWwMaO+pOLa24/k1+CAcbSeFQkURnoPZibg4shuTPEDsqiinCefHiiN2jf4bnOXwNbbQ==",
             "license": "MIT"
         },
         "node_modules/terser": {
diff --git a/webapp/package.json b/webapp/package.json
index 90019177..e037be45 100644
--- a/webapp/package.json
+++ b/webapp/package.json
@@ -22,7 +22,7 @@
         "@solid-primitives/websocket": "1.3.2",
         "js-cookie": "3.0.7",
         "solid-js": "1.9.13",
-        "temporal-polyfill-lite": "^0.3.5"
+        "temporal-polyfill-lite": "^0.4.0"
     },
     "devDependencies": {
         "@biomejs/biome": "2.4.16",