diff --git a/clientapp/package-lock.json b/clientapp/package-lock.json
index da4eab2..58c7512 100644
--- a/clientapp/package-lock.json
+++ b/clientapp/package-lock.json
@@ -4632,9 +4632,9 @@
       "integrity": "sha512-+KAppdklzPd5v8nLOvtDiD/S67mCT9gFRAvngYe8zuFy9azHhT9vWWH6WEPPCcyjQ1JMYVgqbN29yZ0paqxsEw=="
     },
     "elliptic": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
-      "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "requires": {
         "bn.js": "^4.4.0",
         "brorand": "^1.0.1",
@@ -10293,6 +10293,22 @@
         "prop-types": "^15.6.2"
       }
     },
+    "react-add-to-calendar-hoc": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/react-add-to-calendar-hoc/-/react-add-to-calendar-hoc-1.0.10.tgz",
+      "integrity": "sha512-/tbI8Vez0LKAIPKi8g6KK1NdnUMig3lve5w7xdzkoACmniCrUtAG8d9veh9zF7HqEUO049S6IIREfMRxqiFKiQ==",
+      "requires": {
+        "core-js": "^2.5.7",
+        "prop-types": "^15.6.2"
+      },
+      "dependencies": {
+        "core-js": {
+          "version": "2.6.11",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.11.tgz",
+          "integrity": "sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg=="
+        }
+      }
+    },
     "react-app-polyfill": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/react-app-polyfill/-/react-app-polyfill-1.0.6.tgz",
diff --git a/clientapp/yarn.lock b/clientapp/yarn.lock
index fac5a41..8618bd3 100644
--- a/clientapp/yarn.lock
+++ b/clientapp/yarn.lock
@@ -2063,8 +2063,8 @@ bluebird@^3.5.5:
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
 
 body-parser@1.19.0:
   version "1.19.0"
@@ -2700,7 +2700,7 @@ core-js-pure@^3.0.0:
   version "3.6.4"
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.4.tgz#4bf1ba866e25814f149d4e9aaa08c36173506e3a"
 
-core-js@^2.4.0:
+core-js@^2.4.0, core-js@^2.5.7:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
 
@@ -3292,8 +3292,8 @@ electron-to-chromium@^1.3.378:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.379.tgz#81dc5e82a3e72bbb830d93e15bc35eda2bbc910e"
 
 elliptic@^6.0.0:
-  version "6.5.2"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.2.tgz#05c5678d7173c049d8ca433552224a495d0e3762"
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"
@@ -7368,6 +7368,13 @@ raw-body@2.4.0:
     iconv-lite "0.4.24"
     unpipe "1.0.0"
 
+react-add-to-calendar-hoc@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/react-add-to-calendar-hoc/-/react-add-to-calendar-hoc-1.0.10.tgz#ceec3776f28653172d2bad798e35d9f84701605a"
+  dependencies:
+    core-js "^2.5.7"
+    prop-types "^15.6.2"
+
 react-app-polyfill@^1.0.6:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/react-app-polyfill/-/react-app-polyfill-1.0.6.tgz#890f8d7f2842ce6073f030b117de9130a5f385f0"
@@ -9078,9 +9085,9 @@ websocket-driver@>=0.5.1:
     safe-buffer ">=5.1.0"
     websocket-extensions ">=0.1.4"
 
-websocket-extensions@^0.1.4:
+websocket-extensions@>=0.1.4:
   version "0.1.4"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
 
 whatwg-encoding@^1.0.1, whatwg-encoding@^1.0.3, whatwg-encoding@^1.0.5:
   version "1.0.5"