diff --git a/jupyterlab_react/package.json b/jupyterlab_react/package.json
index 7f4869f..d420b44 100644
--- a/jupyterlab_react/package.json
+++ b/jupyterlab_react/package.json
@@ -39,7 +39,7 @@
     "@jupyterlab/apputils": "^2.1.0",
     "@jupyterlab/launcher": "^2.1.0",
     "@jupyterlab/ui-components": "^2.1.0",
-    "@lumino/widgets": "^1.11.1",
+    "@lumino/widgets": "^1.14.0",
     "axios": "^0.19.2",
     "bulma": "^0.8.2"
   },
diff --git a/jupyterlab_react/yarn.lock b/jupyterlab_react/yarn.lock
index f8daff6..35703f6 100644
--- a/jupyterlab_react/yarn.lock
+++ b/jupyterlab_react/yarn.lock
@@ -435,6 +435,11 @@
   resolved "https://registry.yarnpkg.com/@lumino/algorithm/-/algorithm-1.2.3.tgz#4ab9883d7e9a5b1845372a752dcaee2a35a770c6"
   integrity sha512-XBJ/homcm7o8Y9G6MzYvf0FF7SVqUCzvkIO01G2mZhCOnkZZhZ9c4uNOcE2VjSHNxHv2WU0l7d8rdhyKhmet+A==
 
+"@lumino/algorithm@^1.3.3":
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/@lumino/algorithm/-/algorithm-1.3.3.tgz#fdf4daa407a1ce6f233e173add6a2dda0c99eef4"
+  integrity sha512-I2BkssbOSLq3rDjgAC3fzf/zAIwkRUnAh60MO0lYcaFdSGyI15w4K3gwZHGIO0p9cKEiNHLXKEODGmOjMLOQ3g==
+
 "@lumino/application@^1.8.4":
   version "1.8.4"
   resolved "https://registry.yarnpkg.com/@lumino/application/-/application-1.8.4.tgz#63a26c4ecf8128bf0123739e37922415016f970a"
@@ -451,6 +456,13 @@
   dependencies:
     "@lumino/algorithm" "^1.2.3"
 
+"@lumino/collections@^1.3.3":
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/@lumino/collections/-/collections-1.3.3.tgz#fa95c826b93ee6e24b3c4b07c8f595312525f8cc"
+  integrity sha512-vN3GSV5INkgM6tMLd+WqTgaPnQNTY7L/aFUtTOC8TJQm+vg1eSmR4fNXsoGHM3uA85ctSJThvdZr5triu1Iajg==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+
 "@lumino/commands@^1.10.1":
   version "1.10.1"
   resolved "https://registry.yarnpkg.com/@lumino/commands/-/commands-1.10.1.tgz#149186d23cc48215f9f7f6515321f8871797a444"
@@ -464,11 +476,29 @@
     "@lumino/signaling" "^1.3.5"
     "@lumino/virtualdom" "^1.6.1"
 
+"@lumino/commands@^1.11.3":
+  version "1.11.3"
+  resolved "https://registry.yarnpkg.com/@lumino/commands/-/commands-1.11.3.tgz#d2ab47fae88efcbb5b2032fa69894574616b7887"
+  integrity sha512-0JencVUzJWEaXVDngpLhgOWza6Yql5tq2W2Qsi9U3exEDE3CqXdjehI/Uy4Cj2+aAfZju8iPvyZVlLq2psyKLw==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+    "@lumino/coreutils" "^1.5.3"
+    "@lumino/disposable" "^1.4.3"
+    "@lumino/domutils" "^1.2.3"
+    "@lumino/keyboard" "^1.2.3"
+    "@lumino/signaling" "^1.4.3"
+    "@lumino/virtualdom" "^1.7.3"
+
 "@lumino/coreutils@^1.4.2":
   version "1.4.2"
   resolved "https://registry.yarnpkg.com/@lumino/coreutils/-/coreutils-1.4.2.tgz#44cd3d55bb692e876c792f1ecc0df3daa1de63e9"
   integrity sha512-SmQ4YDANe25rZd0bLoW7LVAHmgySjkrJmyNPnPW0GrpBt2u4/6D+EQJ8PCCMNWuJvrljBCdlmgOFsT38qYhfcw==
 
+"@lumino/coreutils@^1.5.3":
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/@lumino/coreutils/-/coreutils-1.5.3.tgz#89dd7b7f381642a1bf568910c5b62c7bde705d71"
+  integrity sha512-G72jJ6sgOwAUuilz+cri7LpHIJxllK+qz+YZUC3fyyWHK7oRlZemcc43jZAVE+tagTdMxKYSQWNIVzM5lI8sWw==
+
 "@lumino/disposable@^1.3.5":
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/@lumino/disposable/-/disposable-1.3.5.tgz#3562ca063117fd2a0735df170f51e41620fa21d0"
@@ -477,11 +507,24 @@
     "@lumino/algorithm" "^1.2.3"
     "@lumino/signaling" "^1.3.5"
 
+"@lumino/disposable@^1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@lumino/disposable/-/disposable-1.4.3.tgz#0a69b15cc5a1e506f93bb390ac44aae338da3c36"
+  integrity sha512-zKQ9N2AEGcYpG6PJkeMWQXvoXU9w1ocji78z+fboM/SmSgtOIVGeQt3fZeldymf0XrlOPpNXs1ZFg54yWUMnXA==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+    "@lumino/signaling" "^1.4.3"
+
 "@lumino/domutils@^1.1.7":
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/@lumino/domutils/-/domutils-1.1.7.tgz#9cc16cba0c1e8f31fcb734879dec050505925b16"
   integrity sha512-NPysY8XfpCvLNvDe+z1caIUPxOLXWRPQMUAjOj/EhggRyXadan6Lm/5uO6M9S5gW/v9QUXT4+1Sxe3WXz0nRCA==
 
+"@lumino/domutils@^1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@lumino/domutils/-/domutils-1.2.3.tgz#7e8e549a97624bfdbd4dd95ae4d1e30b87799822"
+  integrity sha512-SEi8WZSy+DWMkL5CfAY78MHbi3x83AVmRFxjs9+A6qsFPde+Hr1I4DNtLsSDmfAWsobHHgBnjyNp2ZkQEq0IEA==
+
 "@lumino/dragdrop@^1.5.1":
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/@lumino/dragdrop/-/dragdrop-1.5.1.tgz#502305183d430693edc112f7c234a3d9f2d89f02"
@@ -490,11 +533,24 @@
     "@lumino/coreutils" "^1.4.2"
     "@lumino/disposable" "^1.3.5"
 
+"@lumino/dragdrop@^1.6.4":
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/@lumino/dragdrop/-/dragdrop-1.6.4.tgz#bc87589b7335f40cf8dc5b2cffa14cfb3a1c56cc"
+  integrity sha512-t+tQazxg/fyyC7T1wm7mnSfUDNPvAbKHRDWaIbBRVjf6M+B5N8eFwwqMZ63nKdzZPbwX6DJq+D2DNlqIB7gOjg==
+  dependencies:
+    "@lumino/coreutils" "^1.5.3"
+    "@lumino/disposable" "^1.4.3"
+
 "@lumino/keyboard@^1.1.6":
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/@lumino/keyboard/-/keyboard-1.1.6.tgz#bf222369bbeacf2c7d2dfe5003d52736c5a2fc3d"
   integrity sha512-W6pqe0TXRfGOoz1ZK1PRmuGZUWpmdoJArrzwmduUf0t2r06yl56S7w76gxrB7ExTidNPPaOWydGIosPgdgZf5A==
 
+"@lumino/keyboard@^1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@lumino/keyboard/-/keyboard-1.2.3.tgz#594c73233636d85ed035b1a37a095acf956cfe8c"
+  integrity sha512-ibS0sz0VABeuJXx2JVSz36sUBMUOcQNCNPybVhwzN/GkJFs0dnDKluMu+3Px0tkB2y33bGPZU/RLZY1Xj/faEA==
+
 "@lumino/messaging@^1.3.3":
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/@lumino/messaging/-/messaging-1.3.3.tgz#75d3c880b11087da130554eeefa9a19572b24d22"
@@ -503,6 +559,14 @@
     "@lumino/algorithm" "^1.2.3"
     "@lumino/collections" "^1.2.3"
 
+"@lumino/messaging@^1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@lumino/messaging/-/messaging-1.4.3.tgz#75a1901f53086c7c0e978a63cb784eae5cc59f3f"
+  integrity sha512-wa2Pj2KOuLNLS2n0wVBzUVFGbvjL1FLbuCOAUEYfN6xXVleqqtGGzd08uTF7ebu01KCO3VQ38+dkvoaM/C2qPw==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+    "@lumino/collections" "^1.3.3"
+
 "@lumino/polling@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@lumino/polling/-/polling-1.1.1.tgz#15dcb848dca26573d416f00493e343bc43d79d01"
@@ -517,6 +581,11 @@
   resolved "https://registry.yarnpkg.com/@lumino/properties/-/properties-1.1.6.tgz#367538d63453e99e8c94e5559748a0713d9874ac"
   integrity sha512-QnZa1IB7sr4Tawf0OKvwgZAptxDRK7DUAMJ71zijXNXH4FlxyThzOWXef51HHFsISKYa8Rn3rysOwtc62XkmXw==
 
+"@lumino/properties@^1.2.3":
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/@lumino/properties/-/properties-1.2.3.tgz#10675e554e4a9dcc4022de01875fd51f33e2c785"
+  integrity sha512-dbS9V/L+RpQoRjxHMAGh1JYoXaLA6F7xkVbg/vmYXqdXZ7DguO5C3Qteu9tNp7Z7Q31TqFWUCrniTI9UJiJCoQ==
+
 "@lumino/signaling@^1.3.5":
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/@lumino/signaling/-/signaling-1.3.5.tgz#21d77cf201c429f9824e04c19f0cc04027f963c8"
@@ -524,6 +593,13 @@
   dependencies:
     "@lumino/algorithm" "^1.2.3"
 
+"@lumino/signaling@^1.4.3":
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/@lumino/signaling/-/signaling-1.4.3.tgz#d29f7f542fdcd70b91ca275d3ca793ae21cebf6a"
+  integrity sha512-6clc8SMcH0tyKXIX31xw6sxjxJl5hj4YRd1DTHTS62cegQ0FkO8JjJeuv+Nc1pgTg6nEAf65aSOHpUdsFHDAvQ==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+
 "@lumino/virtualdom@^1.6.1":
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/@lumino/virtualdom/-/virtualdom-1.6.1.tgz#7f190091e065e7e4e4814836ed5b293aa8359b2d"
@@ -531,6 +607,13 @@
   dependencies:
     "@lumino/algorithm" "^1.2.3"
 
+"@lumino/virtualdom@^1.7.3":
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/@lumino/virtualdom/-/virtualdom-1.7.3.tgz#57586b088feeeedd020c0815ea5d3159519bd83e"
+  integrity sha512-YgQyyo5F7nMfcp5wbpJQyBsztFqAQPO1++sbPCJiF8Mt0Zo5+hN0jWG2tw7IymHdXDNypgnrCiiHQZMUXuzCiA==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+
 "@lumino/widgets@^1.11.1":
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/@lumino/widgets/-/widgets-1.11.1.tgz#2aba526f1dba7cb004786f25b3bc4a58bd8fe14d"
@@ -548,6 +631,23 @@
     "@lumino/signaling" "^1.3.5"
     "@lumino/virtualdom" "^1.6.1"
 
+"@lumino/widgets@^1.14.0":
+  version "1.14.0"
+  resolved "https://registry.yarnpkg.com/@lumino/widgets/-/widgets-1.14.0.tgz#7e8ddcb48626ce0cbf36cf83247e12a11a0eeffb"
+  integrity sha512-Il1avoaRzrtIO4DDHJdBtfqMvYypiGyPanwXnGrqZI5neEnwJThdyaU8CVVlZZqnNyPHvNCk+7KV0sYrgBAoDA==
+  dependencies:
+    "@lumino/algorithm" "^1.3.3"
+    "@lumino/commands" "^1.11.3"
+    "@lumino/coreutils" "^1.5.3"
+    "@lumino/disposable" "^1.4.3"
+    "@lumino/domutils" "^1.2.3"
+    "@lumino/dragdrop" "^1.6.4"
+    "@lumino/keyboard" "^1.2.3"
+    "@lumino/messaging" "^1.4.3"
+    "@lumino/properties" "^1.2.3"
+    "@lumino/signaling" "^1.4.3"
+    "@lumino/virtualdom" "^1.7.3"
+
 "@types/color-name@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"