diff --git a/package-lock.json b/package-lock.json
index ae21afa..df794b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,23 +1,24 @@
 {
   "name": "oikos",
-  "version": "0.44.1",
+  "version": "0.47.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "oikos",
-      "version": "0.44.1",
+      "version": "0.47.1",
       "license": "MIT",
       "dependencies": {
         "bcrypt": "^6.0.0",
         "better-sqlite3": "^12.9.0",
         "dotenv": "^17.4.2",
         "express": "^5.2.1",
-        "express-rate-limit": "^8.4.1",
+        "express-rate-limit": "^8.5.0",
         "express-session": "^1.19.0",
         "helmet": "^8.1.0",
         "node-cron": "^4.2.1",
-        "node-fetch": "^3.3.2"
+        "node-fetch": "^3.3.2",
+        "tsdav": "2.2.0"
       },
       "devDependencies": {
         "sharp": "^0.34.5"
@@ -27,7 +28,7 @@
       },
       "optionalDependencies": {
         "googleapis": "^171.4.0",
-        "tsdav": "^2.1.8"
+        "tsdav": "^2.2.0"
       }
     },
     "node_modules/@emnapi/runtime": {
@@ -781,37 +782,6 @@
       "integrity": "sha512-NXdYc3dLr47pBkpUCHtKSwIOQXLVn8dZEuywboCOJY/osA0wFSLlSawr3KN8qXJEyX66FcONTH8EIlVuK0yyFA==",
       "license": "MIT"
     },
-    "node_modules/cross-fetch": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/cross-fetch/-/cross-fetch-4.1.0.tgz",
-      "integrity": "sha512-uKm5PU+MHTootlWEY+mZ4vvXoCn4fLQxT9dSc1sXVMSFkINTJVN8cAQROpwcKm8bJ/c7rgZVIBWzH5T78sNZZw==",
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "node-fetch": "^2.7.0"
-      }
-    },
-    "node_modules/cross-fetch/node_modules/node-fetch": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
-      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "whatwg-url": "^5.0.0"
-      },
-      "engines": {
-        "node": "4.x || >=6.0.0"
-      },
-      "peerDependencies": {
-        "encoding": "^0.1.0"
-      },
-      "peerDependenciesMeta": {
-        "encoding": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/data-uri-to-buffer": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.1.tgz",
@@ -1023,9 +993,9 @@
       }
     },
     "node_modules/express-rate-limit": {
-      "version": "8.4.1",
-      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-8.4.1.tgz",
-      "integrity": "sha512-NGVYwQSAyEQgzxX1iCM978PP9AdO/hW93gMcF6ZwQCm+rFvLsBH6w4xcXWTcliS8La5EPRN3p9wzItqBwJrfNw==",
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/express-rate-limit/-/express-rate-limit-8.5.0.tgz",
+      "integrity": "sha512-XKhFohWaSBdVJNTi5TaHziqnPkv04I9UQV6q1Wy7Ui6GGQZVW12ojDFwqer14EvCXxjvPG0CyWXx7cAXpALB4Q==",
       "license": "MIT",
       "dependencies": {
         "ip-address": "10.1.0"
@@ -2281,22 +2251,14 @@
         "node": ">=0.6"
       }
     },
-    "node_modules/tr46": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "license": "MIT",
-      "optional": true
-    },
     "node_modules/tsdav": {
-      "version": "2.1.8",
-      "resolved": "https://registry.npmjs.org/tsdav/-/tsdav-2.1.8.tgz",
-      "integrity": "sha512-zvQvhZLzTaEmNNgJbBlUYT/JOq9Xpw/xkxCqs7IT2d2/7o7pss0iZOlZXuHJ5VcvSvTny42Vc6+6GyzZcrCJ1g==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/tsdav/-/tsdav-2.2.0.tgz",
+      "integrity": "sha512-ISMp2d8eeM7nzNIWzFLYbq5TBvv1gZYm+sRLaT3ec6HUj84wn2IlcuioPL9/NXhahStspCauD1BVBg98Y4e9+Q==",
       "license": "MIT",
       "optional": true,
       "dependencies": {
         "base-64": "1.0.0",
-        "cross-fetch": "4.1.0",
         "debug": "4.4.3",
         "xml-js": "1.6.11"
       },
@@ -2412,24 +2374,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/webidl-conversions": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "license": "BSD-2-Clause",
-      "optional": true
-    },
-    "node_modules/whatwg-url": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
-      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "tr46": "~0.0.3",
-        "webidl-conversions": "^3.0.0"
-      }
-    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index adaeb41..bdaae7f 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "better-sqlite3": "^12.9.0",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
-    "express-rate-limit": "^8.4.1",
+    "express-rate-limit": "^8.5.0",
     "express-session": "^1.19.0",
     "helmet": "^8.1.0",
     "node-cron": "^4.2.1",
@@ -44,7 +44,7 @@
   },
   "optionalDependencies": {
     "googleapis": "^171.4.0",
-    "tsdav": "^2.1.8"
+    "tsdav": "^2.2.0"
   },
   "license": "MIT",
   "devDependencies": {