diff --git a/package-lock.json b/package-lock.json
index fbd425e0f..14af40750 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "AGPLv3",
       "dependencies": {
         "@nextcloud/axios": "^2.5.1",
-        "@nextcloud/calendar-js": "8.1.4",
+        "@nextcloud/calendar-js": "8.1.6",
         "@nextcloud/cdav-library": "2.1.1",
         "@nextcloud/dialogs": "7.0.0-rc.1",
         "@nextcloud/event-bus": "^3.3.2",
@@ -2697,16 +2697,16 @@
       }
     },
     "node_modules/@nextcloud/calendar-js": {
-      "version": "8.1.4",
-      "resolved": "https://registry.npmjs.org/@nextcloud/calendar-js/-/calendar-js-8.1.4.tgz",
-      "integrity": "sha512-eZv2J/cq75Tj6RFD6Uw5T8ldlGCeZoJFXgcZEttVYJ/0zdG/8mmHM+hR9/pFBqTcgXT+YwYR2H57a+JRRce7yQ==",
+      "version": "8.1.6",
+      "resolved": "https://registry.npmjs.org/@nextcloud/calendar-js/-/calendar-js-8.1.6.tgz",
+      "integrity": "sha512-4EqykhnxDrzenlPMHcA61HiNJiOwlXsA4OzVQOzGIMdyVvy+NZve0mljMPFIOJbmae5KEmvdguMLiAz9x5DVxA==",
       "engines": {
-        "node": "^20.0.0",
-        "npm": "^10.0.0"
+        "node": "^22.0.0",
+        "npm": "^10.5.0"
       },
       "peerDependencies": {
-        "@nextcloud/timezones": "^0.2.0",
-        "ical.js": "^2.1.0"
+        "@nextcloud/timezones": "^1.0.0",
+        "ical.js": "^2.2.1"
       }
     },
     "node_modules/@nextcloud/capabilities": {
@@ -2996,9 +2996,10 @@
       }
     },
     "node_modules/@nextcloud/timezones": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/@nextcloud/timezones/-/timezones-0.2.0.tgz",
-      "integrity": "sha512-1mwQ+asTFOgv9rxPoAMEbDF8JfnenIa2EGNS+8MATCyi6WXxYh0Lhkaq1d3l2+xNbUPHgMnk4cRYsvIo319lkA==",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@nextcloud/timezones/-/timezones-1.0.0.tgz",
+      "integrity": "sha512-9b7Wms2mzB4RAltf8s9dY40PcU5ova5QjQJw1Gty35e54alKyx33BqUOy4gEbkzmYSrW4aZcLcMrOO5Bj2eIzg==",
+      "peer": true,
       "dependencies": {
         "ical.js": "^2.1.0"
       },
@@ -3108,6 +3109,17 @@
         "npm": "^10.0.0"
       }
     },
+    "node_modules/@nextcloud/vue/node_modules/@nextcloud/timezones": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@nextcloud/timezones/-/timezones-0.2.0.tgz",
+      "integrity": "sha512-1mwQ+asTFOgv9rxPoAMEbDF8JfnenIa2EGNS+8MATCyi6WXxYh0Lhkaq1d3l2+xNbUPHgMnk4cRYsvIo319lkA==",
+      "dependencies": {
+        "ical.js": "^2.1.0"
+      },
+      "engines": {
+        "node": "^20 || ^22"
+      }
+    },
     "node_modules/@nicolo-ribaudo/eslint-scope-5-internals": {
       "version": "5.1.1-v1",
       "resolved": "https://registry.npmjs.org/@nicolo-ribaudo/eslint-scope-5-internals/-/eslint-scope-5-internals-5.1.1-v1.tgz",
@@ -8673,9 +8685,9 @@
       "dev": true
     },
     "node_modules/ical.js": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/ical.js/-/ical.js-2.2.0.tgz",
-      "integrity": "sha512-P8gjWkTEd5M/SEEvBVPPO/KC+V+HRNRZh3xfCDTVWmUTEfVbL8JaK5GTWS2MJ55aLMhfXhbh7kYzd0nrBARjsA=="
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/ical.js/-/ical.js-2.2.1.tgz",
+      "integrity": "sha512-yK/UlPbEs316igb/tjRgbFA8ZV75rCsBJp/hWOatpyaPNlgw0dGDmU+FoicOcwX4xXkeXOkYiOmCqNPFpNPkQg=="
     },
     "node_modules/ieee754": {
       "version": "1.2.1",
diff --git a/package.json b/package.json
index 5f1fa43f3..67cdfbf43 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "contributors": [],
   "dependencies": {
     "@nextcloud/axios": "^2.5.1",
-    "@nextcloud/calendar-js": "8.1.4",
+    "@nextcloud/calendar-js": "8.1.6",
     "@nextcloud/cdav-library": "2.1.1",
     "@nextcloud/dialogs": "7.0.0-rc.1",
     "@nextcloud/event-bus": "^3.3.2",