diff --git a/package.json b/package.json
index f899f3a20..333f2ea09 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": "^6.1.11",
     "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 9a6a40a07..10dade529 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@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/core/-/core-6.1.11.tgz#f9630e83ae977e774992507635b1e7af4c339d37"
+  integrity sha512-TjG7c8sUz+Vkui2FyCNJ+xqyu0nq653Ibe99A66LoW95oBo6tVhhKIaG1Wh0GVKymYiqAQN/OEdYTuj4ay27kA==
+  dependencies:
+    preact "~10.12.1"
+
+"@fullcalendar/daygrid@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/daygrid/-/daygrid-6.1.11.tgz#83a5d4a94c314cf3a14b06bebba03b1b40e6d2ba"
+  integrity sha512-hF5jJB7cgUIxWD5MVjj8IU407HISyLu7BWXcEIuTytkfr8oolOXeCazqnnjmRbnFOncoJQVstTtq6SIhaT32Xg==
+
+"@fullcalendar/interaction@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/interaction/-/interaction-6.1.11.tgz#baa3beec8f5c489fb6904973b175a5f4797abdf3"
+  integrity sha512-ynOKjzuPwEAMgTQ6R/Z2zvzIIqG4p8/Qmnhi1q0vzPZZxSIYx3rlZuvpEK2WGBZZ1XEafDOP/LGfbWoNZe+qdg==
+
+"@fullcalendar/list@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/list/-/list-6.1.11.tgz#4cd23700ea48b382b37387e29a706f2da692e174"
+  integrity sha512-9Qx8uvik9pXD12u50FiHwNzlHv4wkhfsr+r03ycahW7vEeIAKCsIZGTkUfFP+96I5wHihrfLazu1cFQG4MPiuw==
+
+"@fullcalendar/multimonth@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/multimonth/-/multimonth-6.1.11.tgz#8cca48378c52c1209ed7a45c5e5b37f95497f13b"
+  integrity sha512-7DbPC+AAlaKnquGVdw1Z85Q3nSZ4GZ1NcVIk4k7bLnqDlntwHPPsrDlSIzUWKcN0q5/u7jQHm4PU1m3LAl70Sg==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.11"
+
+"@fullcalendar/timegrid@~6.1.11":
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/timegrid/-/timegrid-6.1.11.tgz#76b2fc4446d1e97819a4395dab4f3a7e44c7a9eb"
+  integrity sha512-0seUHK/ferH89IeuCvV4Bib0zWjgK0nsptNdmAc9wDBxD/d9hm5Mdti0URJX6bDoRtsSfRDu5XsRcrzwoc+AUQ==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.11"
+
 "@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@^6.1.11:
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/fullcalendar/-/fullcalendar-6.1.11.tgz#a46ac35dbf1f04047113274f2242198d9a221f52"
+  integrity sha512-OOlx/+yFn9k5LnucRzcDmShONBecOVKNN6HHWe8jl7hGzQBmkxO+iD6eBokO6p24EY1PjATqhZkhJqHiCUgx3A==
+  dependencies:
+    "@fullcalendar/core" "~6.1.11"
+    "@fullcalendar/daygrid" "~6.1.11"
+    "@fullcalendar/interaction" "~6.1.11"
+    "@fullcalendar/list" "~6.1.11"
+    "@fullcalendar/multimonth" "~6.1.11"
+    "@fullcalendar/timegrid" "~6.1.11"
 
 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"