diff --git a/package.json b/package.json
index 7c1f8e6..382059d 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "@babel/preset-env": "^7.5.0",
     "@jupyter-widgets/base-manager": "^1.0.2",
     "@jupyterlab/builder": "^3.0.0",
-    "@lumino/application": "^1.6.0",
+    "@lumino/application": "^2.4.0",
     "@lumino/widgets": "^1.6.0",
     "@types/jest": "29.5.0",
     "@types/webpack-env": "^1.13.6",
diff --git a/yarn.lock b/yarn.lock
index dfb5222..1fbb577 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1413,7 +1413,12 @@
   resolved "https://registry.yarnpkg.com/@lumino/algorithm/-/algorithm-1.9.2.tgz#b95e6419aed58ff6b863a51bfb4add0f795141d3"
   integrity sha512-Z06lp/yuhz8CtIir3PNTGnuk7909eXt4ukJsCzChsGuot2l5Fbs96RJ/FOHgwCedaX74CtxPjXHXoszFbUA+4A==
 
-"@lumino/application@^1.31.3", "@lumino/application@^1.6.0":
+"@lumino/algorithm@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/algorithm/-/algorithm-2.0.2.tgz#d211da98c92be0271afde96b949982e29178ae48"
+  integrity sha512-cI8yJ2+QK1yM5ZRU3Kuaw9fJ/64JEDZEwWWp7+U0cd/mvcZ44BGdJJ29w+tIet1QXxPAvnsUleWyQ5qm4qUouA==
+
+"@lumino/application@^1.31.3":
   version "1.31.3"
   resolved "https://registry.yarnpkg.com/@lumino/application/-/application-1.31.3.tgz#c5a9bc84212a2505be8f5d43516e0603d9100965"
   integrity sha512-XnsXm5PD9QevJRl/pHJziYmhRKqJYjEOTL6Vh9dtKpPPML57uswOj59Pokxx/yCvym1xRF9iDVvujy3KallRwQ==
@@ -1422,6 +1427,15 @@
     "@lumino/coreutils" "^1.12.1"
     "@lumino/widgets" "^1.37.1"
 
+"@lumino/application@^2.4.0":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@lumino/application/-/application-2.4.0.tgz#ff1996b2e6c4be123bdbc951a54266eeacdc1ad7"
+  integrity sha512-OJigzztfhJFQ+pyZ5+1TWQ0iBUOl98VHd/A2cgSS37sVM1F+dm5rISv2JSnpnQN1ffSlmBkhrLByZeLsfMBizg==
+  dependencies:
+    "@lumino/commands" "^2.3.1"
+    "@lumino/coreutils" "^2.2.0"
+    "@lumino/widgets" "^2.4.0"
+
 "@lumino/collections@^1.9.3":
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/@lumino/collections/-/collections-1.9.3.tgz#370dc2d50aa91371288a4f7376bea5a3191fc5dc"
@@ -1429,6 +1443,13 @@
   dependencies:
     "@lumino/algorithm" "^1.9.2"
 
+"@lumino/collections@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/collections/-/collections-2.0.2.tgz#c790d8d4555d5dd349ecc817c8bd9e65b7f21c64"
+  integrity sha512-o0QmfV1D3WhAeA8GI1/YmEPaK89JtHVa764rQ5T0LdbDEwUtUDbjavHs1E/+y66tNTXz9RUJ4D2rcSb9tysYsg==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+
 "@lumino/commands@^1.19.0", "@lumino/commands@^1.21.1":
   version "1.21.1"
   resolved "https://registry.yarnpkg.com/@lumino/commands/-/commands-1.21.1.tgz#eda8b3cf5ef73b9c8ce93b3b5cf66bb053df2a76"
@@ -1442,11 +1463,31 @@
     "@lumino/signaling" "^1.11.1"
     "@lumino/virtualdom" "^1.14.3"
 
+"@lumino/commands@^2.3.1":
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/@lumino/commands/-/commands-2.3.1.tgz#4ab5ec6521fefd3a9ff7ae0983c645483b9ecd07"
+  integrity sha512-DpX1kkE4PhILpvK1T4ZnaFb6UP4+YTkdZifvN3nbiomD64O2CTd+wcWIBpZMgy6MMgbVgrE8dzHxHk1EsKxNxw==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+    "@lumino/coreutils" "^2.2.0"
+    "@lumino/disposable" "^2.1.3"
+    "@lumino/domutils" "^2.0.2"
+    "@lumino/keyboard" "^2.0.2"
+    "@lumino/signaling" "^2.1.3"
+    "@lumino/virtualdom" "^2.0.2"
+
 "@lumino/coreutils@^1.11.0", "@lumino/coreutils@^1.11.1", "@lumino/coreutils@^1.12.1":
   version "1.12.1"
   resolved "https://registry.yarnpkg.com/@lumino/coreutils/-/coreutils-1.12.1.tgz#79860c9937483ddf6cda87f6c2b9da8eb1a5d768"
   integrity sha512-JLu3nTHzJk9N8ohZ85u75YxemMrmDzJdNgZztfP7F7T7mxND3YVNCkJG35a6aJ7edu1sIgCjBxOvV+hv27iYvQ==
 
+"@lumino/coreutils@^2.2.0":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@lumino/coreutils/-/coreutils-2.2.0.tgz#3f9d5c36f2513f067b2563c7ad3b33f43905a4e2"
+  integrity sha512-x5wnQ/GjWBayJ6vXVaUi6+Q6ETDdcUiH9eSfpRZFbgMQyyM6pi6baKqJBK2CHkCc/YbAEl6ipApTgm3KOJ/I3g==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+
 "@lumino/disposable@^1.10.0", "@lumino/disposable@^1.10.4":
   version "1.10.4"
   resolved "https://registry.yarnpkg.com/@lumino/disposable/-/disposable-1.10.4.tgz#73b452044fecf988d7fa73fac9451b1a7f987323"
@@ -1455,11 +1496,23 @@
     "@lumino/algorithm" "^1.9.2"
     "@lumino/signaling" "^1.11.1"
 
+"@lumino/disposable@^2.1.3":
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/@lumino/disposable/-/disposable-2.1.3.tgz#cd2b11d82896eb654c2a528c9ff79a85ccf88d74"
+  integrity sha512-k5KXy/+T3UItiWHY4WwQawnsJnGo3aNtP5CTRKqo4+tbTNuhc3rTSvygJlNKIbEfIZXW2EWYnwfFDozkYx95eA==
+  dependencies:
+    "@lumino/signaling" "^2.1.3"
+
 "@lumino/domutils@^1.8.0", "@lumino/domutils@^1.8.2":
   version "1.8.2"
   resolved "https://registry.yarnpkg.com/@lumino/domutils/-/domutils-1.8.2.tgz#d15cdbae12bea52852bbc13c4629360f9f05b7f5"
   integrity sha512-QIpMfkPJrs4GrWBuJf2Sn1fpyVPmvqUUAeD8xAQo8+4V5JAT0vUDLxZ9HijefMgNCi3+Bs8Z3lQwRCrz+cFP1A==
 
+"@lumino/domutils@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/domutils/-/domutils-2.0.2.tgz#b05973a179db2da71239976f25194f65c0f8eb98"
+  integrity sha512-2Kp6YHaMNI1rKB0PrALvOsZBHPy2EvVVAvJLWjlCm8MpWOVETjFp0MA9QpMubT9I76aKbaI5s1o1NJyZ8Y99pQ==
+
 "@lumino/dragdrop@^1.13.0", "@lumino/dragdrop@^1.14.4":
   version "1.14.4"
   resolved "https://registry.yarnpkg.com/@lumino/dragdrop/-/dragdrop-1.14.4.tgz#b6ec4cf4f470c17a849e31f299d5a24acdc8c7d3"
@@ -1468,11 +1521,24 @@
     "@lumino/coreutils" "^1.12.1"
     "@lumino/disposable" "^1.10.4"
 
+"@lumino/dragdrop@^2.1.5":
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/@lumino/dragdrop/-/dragdrop-2.1.5.tgz#2c178ac3e7520551f08ffb4f31521d87940dcce1"
+  integrity sha512-zqwR4GakrQBKZOW6S5pj2nfrQDurOErAoe9x3HS3BKLa1AzWA+t9PD5NESOKd81NqXFHjiMirSyFkTUs6pw+uA==
+  dependencies:
+    "@lumino/coreutils" "^2.2.0"
+    "@lumino/disposable" "^2.1.3"
+
 "@lumino/keyboard@^1.8.2":
   version "1.8.2"
   resolved "https://registry.yarnpkg.com/@lumino/keyboard/-/keyboard-1.8.2.tgz#714dbe671f0718f516d1ec23188b31a9ccd82fb2"
   integrity sha512-Dy+XqQ1wXbcnuYtjys5A0pAqf4SpAFl9NY6owyIhXAo0Va7w3LYp3jgiP1xAaBAwMuUppiUAfrbjrysZuZ625g==
 
+"@lumino/keyboard@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/keyboard/-/keyboard-2.0.2.tgz#8ff5e360b8960716f45b742845bea6f3c5f44760"
+  integrity sha512-icRUpvswDaFjqmAJNbQRb/aTu6Iugo6Y2oC08TiIwhQtLS9W+Ee9VofdqvbPSvCm6DkyP+DCWMuA3KXZ4V4g4g==
+
 "@lumino/messaging@^1.10.0", "@lumino/messaging@^1.10.1", "@lumino/messaging@^1.10.3":
   version "1.10.3"
   resolved "https://registry.yarnpkg.com/@lumino/messaging/-/messaging-1.10.3.tgz#b6227bdfc178a8542571625ecb68063691b6af3c"
@@ -1481,6 +1547,14 @@
     "@lumino/algorithm" "^1.9.2"
     "@lumino/collections" "^1.9.3"
 
+"@lumino/messaging@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/messaging/-/messaging-2.0.2.tgz#133b94d1fa1c67ad60e622a32acaf682faf05aaa"
+  integrity sha512-2sUF07cYA0f3mDil41Eh5sfBk0aGAH/mOh1I4+vyRUsKyBqp4WTUtpJFd8xVJGAntygxwnebIygkIaXXTIQvxA==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+    "@lumino/collections" "^2.0.2"
+
 "@lumino/polling@^1.9.0":
   version "1.11.4"
   resolved "https://registry.yarnpkg.com/@lumino/polling/-/polling-1.11.4.tgz#ddfe47da5b41af4cfa474898542c099e445c0e6c"
@@ -1495,6 +1569,11 @@
   resolved "https://registry.yarnpkg.com/@lumino/properties/-/properties-1.8.2.tgz#91131f2ca91a902faa138771eb63341db78fc0fd"
   integrity sha512-EkjI9Cw8R0U+xC9HxdFSu7X1tz1H1vKu20cGvJ2gU+CXlMB1DvoYJCYxCThByHZ+kURTAap4SE5x8HvKwNPbig==
 
+"@lumino/properties@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/properties/-/properties-2.0.2.tgz#39213876b06a917eae72e8ea38b71daa1c699682"
+  integrity sha512-b312oA3Bh97WFK8efXejYmC3DVJmvzJk72LQB7H3fXhfqS5jUWvL7MSnNmgcQvGzl9fIhDWDWjhtSTi0KGYYBg==
+
 "@lumino/signaling@^1.10.0", "@lumino/signaling@^1.11.1":
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/@lumino/signaling/-/signaling-1.11.1.tgz#438f447a1b644fd286549804f9851b5aec9679a2"
@@ -1503,6 +1582,14 @@
     "@lumino/algorithm" "^1.9.2"
     "@lumino/properties" "^1.8.2"
 
+"@lumino/signaling@^2.1.3":
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/@lumino/signaling/-/signaling-2.1.3.tgz#612419e6948ce77c00328f9eff5ecd995c960a70"
+  integrity sha512-9Wd4iMk8F1i6pYjy65bqKuPlzQMicyL9xy1/ccS20kovPcfD074waneL/7BVe+3M8i+fGa3x2qjbWrBzOdTdNw==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+    "@lumino/coreutils" "^2.2.0"
+
 "@lumino/virtualdom@^1.14.0", "@lumino/virtualdom@^1.14.3":
   version "1.14.3"
   resolved "https://registry.yarnpkg.com/@lumino/virtualdom/-/virtualdom-1.14.3.tgz#e490c36ff506d877cf45771d6968e3e26a8919fd"
@@ -1510,6 +1597,13 @@
   dependencies:
     "@lumino/algorithm" "^1.9.2"
 
+"@lumino/virtualdom@^2.0.2":
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/@lumino/virtualdom/-/virtualdom-2.0.2.tgz#927c9803ebd31cd97ca2c599ec9a5d509afb3b2d"
+  integrity sha512-HYZThOtZSoknjdXA102xpy5CiXtTFCVz45EXdWeYLx3NhuEwuAIX93QBBIhupalmtFlRg1yhdDNV40HxJ4kcXg==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+
 "@lumino/widgets@^1.30.0", "@lumino/widgets@^1.37.1", "@lumino/widgets@^1.6.0":
   version "1.37.1"
   resolved "https://registry.yarnpkg.com/@lumino/widgets/-/widgets-1.37.1.tgz#d7a2398b276e15e60aff4fec58c035d46549a75b"
@@ -1527,6 +1621,23 @@
     "@lumino/signaling" "^1.11.1"
     "@lumino/virtualdom" "^1.14.3"
 
+"@lumino/widgets@^2.4.0":
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/@lumino/widgets/-/widgets-2.4.0.tgz#1516036f75840660bd84b3189acaedf49345a0b8"
+  integrity sha512-n7MqRKj+g/aRnI3dl4EJw/Bkt5/LSwGcn3sA9opn88CMZmAzjC33ac+q6zijovjCX8yDud7KKK8yPFTwOFaxhg==
+  dependencies:
+    "@lumino/algorithm" "^2.0.2"
+    "@lumino/commands" "^2.3.1"
+    "@lumino/coreutils" "^2.2.0"
+    "@lumino/disposable" "^2.1.3"
+    "@lumino/domutils" "^2.0.2"
+    "@lumino/dragdrop" "^2.1.5"
+    "@lumino/keyboard" "^2.0.2"
+    "@lumino/messaging" "^2.0.2"
+    "@lumino/properties" "^2.0.2"
+    "@lumino/signaling" "^2.1.3"
+    "@lumino/virtualdom" "^2.0.2"
+
 "@nodelib/fs.scandir@2.1.5":
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz#7619c2eb21b25483f6d167548b4cfd5a7488c3d5"