diff --git a/package.json b/package.json
index f899f3a20..2acd91474 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "angular-sanitize": "^1.8.3",
     "angular-ui-bootstrap": "^2.5.0",
     "autosize": "^5.0.2",
-    "fullcalendar": "^3.10.5",
+    "fullcalendar": "^6.1.9",
     "hsl_rgb_converter": "kayellpeee/hsl_rgb_converter",
     "ical.js": "DeepDiver1975/ical.js#timezone-fix-and-build",
     "jquery-timepicker": "fgelinas/timepicker#883bb2cd94",
diff --git a/yarn.lock b/yarn.lock
index 6c28c242c..6703a9e5f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -255,6 +255,42 @@
     "@babel/helper-validator-identifier" "^7.22.20"
     to-fast-properties "^2.0.0"
 
+"@fullcalendar/core@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/core/-/core-6.1.9.tgz#ea735b0dd0a0a487969ebbb6c99b0967e07568c0"
+  integrity sha512-eeG+z9BWerdsU9Ac6j16rpYpPnE0wxtnEHiHrh/u/ADbGTR3hCOjCD9PxQOfhOTHbWOVs7JQunGcksSPu5WZBQ==
+  dependencies:
+    preact "~10.12.1"
+
+"@fullcalendar/daygrid@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/daygrid/-/daygrid-6.1.9.tgz#efb8aabb2f928ac0b05a77c5443accb546ae5818"
+  integrity sha512-o/6joH/7lmVHXAkbaa/tUbzWYnGp/LgfdiFyYPkqQbjKEeivNZWF1WhHqFbhx0zbFONSHtrvkjY2bjr+Ef2quQ==
+
+"@fullcalendar/interaction@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/interaction/-/interaction-6.1.9.tgz#9023922df24c296cb7f4671887f1731f5d5a5db2"
+  integrity sha512-I3FGnv0kKZpIwujg3HllbKrciNjTqeTYy3oJG226oAn7lV6wnrrDYMmuGmA0jPJAGN46HKrQqKN7ItxQRDec4Q==
+
+"@fullcalendar/list@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/list/-/list-6.1.9.tgz#67ce0712a8713fd478fde5c71ec2d94dff68a2a4"
+  integrity sha512-OCKdC1Gz26cJ5QsXdQyXVyzVu23ypT2xzyAR+Wc8jEytcJLWXw2a914m/MVax8n8EHuaIYY2exhsy/eaSU0XNA==
+
+"@fullcalendar/multimonth@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/multimonth/-/multimonth-6.1.9.tgz#d261e05a7754398c4c82cfab2ace7469cb8417e6"
+  integrity sha512-YpH1NL6RzdM1wO2nFJ3pNMo9xhd6i2WuE+e7SnGi7q1lO+ZZ77h5Fja5JKcpuIQUFHpi+m6vTzihIV8DT44NnQ==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.9"
+
+"@fullcalendar/timegrid@~6.1.9":
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/timegrid/-/timegrid-6.1.9.tgz#83b61ac734638d11182aeb579b638fa0bc52ea32"
+  integrity sha512-le7UV05wVE1Trdr054kgJXTwa+A1pEI8nlCBnPWdcyrL+dTLoPvQ4AWEVCnV7So+4zRYaCqnqGXfCJsj0RQa0g==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.9"
+
 "@gulp-sourcemaps/identity-map@^2.0.1":
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/@gulp-sourcemaps/identity-map/-/identity-map-2.0.1.tgz#a6e8b1abec8f790ec6be2b8c500e6e68037c0019"
@@ -2251,10 +2287,17 @@ fsevents@~2.1.2:
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.2.tgz#4c0a1fb34bc68e543b4b82a9ec392bfbda840805"
   integrity sha512-R4wDiBwZ0KzpgOWetKDug1FZcYhqYnUYKtfZYt4mD5SBz76q0KR4Q9o7GIPamsVPGmW3EYPPJ0dOOjvx32ldZA==
 
-fullcalendar@^3.10.5:
-  version "3.10.5"
-  resolved "https://registry.yarnpkg.com/fullcalendar/-/fullcalendar-3.10.5.tgz#57a3a64d7d744181582bb9e1be32d1846e1db53a"
-  integrity sha512-JGWpECKgza/344bbF5QT0hBJpx04DZ/7QGPlR1ZbAwrG6Yz6mWEkQd+NnZUh1sK6HCBIPnPRW2x53aJxeLGvvQ==
+fullcalendar@^6.1.9:
+  version "6.1.9"
+  resolved "https://registry.yarnpkg.com/fullcalendar/-/fullcalendar-6.1.9.tgz#74b1baaab965d5dad1e4176191719e5d9ad85b1e"
+  integrity sha512-b3y22EqOtV1cGjOlPE6krs1CwQA/8p5lsylllp35tqDLOK7kLIXDQotpXgsDBY4qAKTgdiSauqzdkdvyrbjAgQ==
+  dependencies:
+    "@fullcalendar/core" "~6.1.9"
+    "@fullcalendar/daygrid" "~6.1.9"
+    "@fullcalendar/interaction" "~6.1.9"
+    "@fullcalendar/list" "~6.1.9"
+    "@fullcalendar/multimonth" "~6.1.9"
+    "@fullcalendar/timegrid" "~6.1.9"
 
 function-bind@^1.1.1:
   version "1.1.1"
@@ -4264,6 +4307,11 @@ postcss@^7.0.16:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
+preact@~10.12.1:
+  version "10.12.1"
+  resolved "https://registry.yarnpkg.com/preact/-/preact-10.12.1.tgz#8f9cb5442f560e532729b7d23d42fd1161354a21"
+  integrity sha512-l8386ixSsBdbreOAkqtrwqHwdvR35ID8c3rKPa8lCWuO86dBi32QWHV4vfsZK1utLLFMvw+Z5Ad4XLkZzchscg==
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"