diff --git a/package.json b/package.json
index dd84e0030..c12194777 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": "^6.1.5",
     "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 f866269cf..29683f7b9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -183,6 +183,42 @@
     "@babel/helper-validator-identifier" "^7.18.6"
     to-fast-properties "^2.0.0"
 
+"@fullcalendar/core@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/core/-/core-6.1.5.tgz#b2ec855f3144ca995af8e5b783a15002d73870fb"
+  integrity sha512-U3ZJy1JGAgvyXG4iLWvTW4osbkt5Fj9gmbU1B+RyRhiqwXGE0F329sX7kqLTzj3QI1IPzyq6xnJfWUIsAe7+qw==
+  dependencies:
+    preact "~10.12.1"
+
+"@fullcalendar/daygrid@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/daygrid/-/daygrid-6.1.5.tgz#fa5df2ec926a0a2367a91f43981518643d3d63c7"
+  integrity sha512-wXQUNPOyEQ1FEHVdtxP/tLcAAGwY4zeFejujhcznhKC751X8voInF+7kFmI7GDTVgX9cd72Muku3c+gHi8ygEQ==
+
+"@fullcalendar/interaction@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/interaction/-/interaction-6.1.5.tgz#548bee3f21046f30ad64c2596cbd94689db509f0"
+  integrity sha512-7U+WsysSlgVSkWqyjLnE6dVKUk2I7sGZN0zcadSfvL2e3KzD30BKgz78p6LRayW2Trtyf/7rZEe1k064ELd0+Q==
+
+"@fullcalendar/list@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/list/-/list-6.1.5.tgz#0276d495fbb2b229871ec5fb0547078531eaf756"
+  integrity sha512-Z34h32ZuI0+sU6GdV2WrXnF6Z17VvsagjSBY+8/bMrMHfDoLbT76sGfoI6N0GCAr7aW9N2NgWWz8kuQw9uFAZQ==
+
+"@fullcalendar/multimonth@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/multimonth/-/multimonth-6.1.5.tgz#6f63c9a0200c2edc132d7f7684e2d055deaa1d62"
+  integrity sha512-ZWzfkz0+JEvDPzrOevmEwvOGdfdyDLzHL/jWKCj2hEffAGTjYTMG06dTgUZvush/yEEAxdkLIujTNLizkd7kvw==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.5"
+
+"@fullcalendar/timegrid@~6.1.5":
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/@fullcalendar/timegrid/-/timegrid-6.1.5.tgz#cf76716e279a383e17d624b36e4befd1d1558368"
+  integrity sha512-phofe7XQ+JbejQB9zGqtZOGmPr/vMkfkK5dwPY4rOjxZOG/wspL3aXoSurmXaVP5CIiRWBvX9QPq0UgVJt0j5A==
+  dependencies:
+    "@fullcalendar/daygrid" "~6.1.5"
+
 "@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"
@@ -2161,10 +2197,17 @@ 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@^6.1.5:
+  version "6.1.5"
+  resolved "https://registry.yarnpkg.com/fullcalendar/-/fullcalendar-6.1.5.tgz#a29953b0e7f6e3f77dcf3812358a5ceef428c4b3"
+  integrity sha512-lV8he45gJW0ZKmBYkTjXZlx8VtC+rTR8FU5EKhwKpOSPg9FJbMLSTnsVagUp4+rk/JFOv/DxoLB2vDW0VX97VQ==
+  dependencies:
+    "@fullcalendar/core" "~6.1.5"
+    "@fullcalendar/daygrid" "~6.1.5"
+    "@fullcalendar/interaction" "~6.1.5"
+    "@fullcalendar/list" "~6.1.5"
+    "@fullcalendar/multimonth" "~6.1.5"
+    "@fullcalendar/timegrid" "~6.1.5"
 
 function-bind@^1.1.1:
   version "1.1.1"
@@ -4167,6 +4210,11 @@ 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"