diff --git a/package-lock.json b/package-lock.json
index 2271d0d..430abb6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -215,6 +215,23 @@
         "tslib": "^1.9.0"
       }
     },
+    "@angular/cdk": {
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-8.2.3.tgz",
+      "integrity": "sha512-ZwO5Sn720RA2YvBqud0JAHkZXjmjxM0yNzCO8RVtRE9i8Gl26Wk0j0nQeJkVm4zwv2QO8MwbKUKGTMt8evsokA==",
+      "requires": {
+        "parse5": "^5.0.0",
+        "tslib": "^1.7.1"
+      },
+      "dependencies": {
+        "parse5": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+          "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
+          "optional": true
+        }
+      }
+    },
     "@angular/cli": {
       "version": "8.3.22",
       "resolved": "https://registry.npmjs.org/@angular/cli/-/cli-8.3.22.tgz",
@@ -4274,9 +4291,9 @@
       "dev": true
     },
     "eventsource": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.1.tgz",
+      "integrity": "sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==",
       "dev": true,
       "requires": {
         "original": "^1.0.0"