diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..795799f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "deps/quasar-ui-qcalendar"]
+	path = deps/quasar-ui-qcalendar
+	url = https://github.com/susnux/quasar-ui-qcalendar.git
diff --git a/package.json b/package.json
index 2f2c795..ce1e490 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "axios": "^0.21.1",
     "cordova": "^10.0.0",
     "core-js": "^3.7.0",
-    "quasar": "^2.0.0-beta.2"
+    "quasar": "^2.0.0-beta.3"
   },
   "prettier": {
     "singleQuote": true,
@@ -23,8 +23,8 @@
     "arrowParens": "always"
   },
   "devDependencies": {
-    "@quasar/app": "^3.0.0-beta.2",
-    "@quasar/quasar-app-extension-qcalendar": "^3.3.4",
+    "@quasar/app": "^3.0.0-beta.3",
+    "@quasar/quasar-app-extension-qcalendar": "file:deps/quasar-ui-qcalendar/app-extension",
     "@types/node": "^12.19.6",
     "@types/webpack": "^4.41.26",
     "@types/webpack-env": "^1.16.0",
diff --git a/yarn.lock b/yarn.lock
index d14810d..ed78256 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1005,10 +1005,10 @@
   resolved "https://registry.yarnpkg.com/@positron/stack-trace/-/stack-trace-1.0.0.tgz#14fcc712a530038ef9be1ce6952315a839f466a8"
   integrity sha1-FPzHEqUwA475vhzmlSMVqDn0Zqg=
 
-"@quasar/app@^3.0.0-beta.2":
-  version "3.0.0-beta.2"
-  resolved "https://registry.yarnpkg.com/@quasar/app/-/app-3.0.0-beta.2.tgz#650d94be2fad351544b54e2c5e85b06ca7e7e9f9"
-  integrity sha512-pX30q3yg3Qjp9MkQJmdtdA10GURg5eL/ENzJf70FcseN38kbfDQTG15CwraE+uS2ORDfs0g5qIuEl1DwFH+3pw==
+"@quasar/app@^3.0.0-beta.3":
+  version "3.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/@quasar/app/-/app-3.0.0-beta.3.tgz#3d93ed4aa8d7c0f2ed2b59f1bdf7433aa70fb07e"
+  integrity sha512-kADAA0//UcswvKGvQ2Ha+0ZGM8DFHXxuig+a7tCvd+nBy2YS2aLDRMpCuRL+h/0ML5+OBb3aXCywlCouogneuw==
   dependencies:
     "@quasar/babel-preset-app" "2.0.1"
     "@quasar/fastclick" "1.1.4"
@@ -1121,6 +1121,16 @@
   resolved "https://registry.yarnpkg.com/@quasar/fastclick/-/fastclick-1.1.4.tgz#21ed3e9a4387dcb43022a08af4ef08a5f1abf159"
   integrity sha512-i9wbyV4iT+v4KhtHJynUFhH5LiEPvAEgSnwMqPN4hf/8uRe82nDl5qP5agrp2el1h0HzyBpbvHaW7NB0BPrtvA==
 
+"@quasar/quasar-app-extension-qcalendar@file:deps/quasar-ui-qcalendar/app-extension":
+  version "3.3.5"
+  dependencies:
+    "@quasar/quasar-ui-qcalendar" "^3.3.5"
+
+"@quasar/quasar-ui-qcalendar@^3.3.5":
+  version "3.3.5"
+  resolved "https://registry.yarnpkg.com/@quasar/quasar-ui-qcalendar/-/quasar-ui-qcalendar-3.3.5.tgz#4fed965045a98fb5da6294acf1d1285dc9af8dc6"
+  integrity sha512-quNHMyPhxrATJ1pTpTYesLBc44C8vcbguk7ysjN68EKvEP3mn0HrSez28QeMKJqqUp3BZ8qD+TLEFVSmxhtRFA==
+
 "@quasar/ssr-helpers@^0.0.1":
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/@quasar/ssr-helpers/-/ssr-helpers-0.0.1.tgz#e1ea844613062ac0c46d63edbd1ef9036b62bc91"
@@ -8198,10 +8208,10 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-quasar@^2.0.0-beta.2:
-  version "2.0.0-beta.2"
-  resolved "https://registry.yarnpkg.com/quasar/-/quasar-2.0.0-beta.2.tgz#eeedad6190eea60799a7710f33f8ad0b481b47fe"
-  integrity sha512-Xy7Av0bHSASHRG4IZ0tz1lu6/6844SmeQQ6KJrHb0C5EC1MS+kLkgU8+1rx0I5daHgDo2RnQt+K/e16DpB1Hqg==
+quasar@^2.0.0-beta.3:
+  version "2.0.0-beta.3"
+  resolved "https://registry.yarnpkg.com/quasar/-/quasar-2.0.0-beta.3.tgz#f0b2e2a4afa49cb90061ce20eef02bd4111cce19"
+  integrity sha512-Um5HcZQE1mSN0m8autVmeyg8socFZ5fomHRmZFzGbXmb2sW4R8HfRurkAzdxx7TsYTT+QSwa5K5t0Ibh3Un8nw==
 
 query-string@^4.1.0:
   version "4.3.4"