diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index 0cf6b9c..92110d6
--- a/package-lock.json
+++ b/package-lock.json
@@ -5802,9 +5802,9 @@
       }
     },
     "core-js": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.1.tgz",
-      "integrity": "sha512-L72mmmEayPJBejKIWe2pYtGis5r0tQ5NaJekdhyXgeMQTpJoBsH0NL4ElY2LfSoV15xeQWKQ+XTTOZdyero5Xg=="
+      "version": "2.6.11",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.11.tgz",
+      "integrity": "sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg=="
     },
     "core-util-is": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 8fa2398..c5faf14
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@angular/platform-browser-dynamic": "7.2.11",
     "@angular/platform-server": "7.2.11",
     "@angular/router": "7.2.11",
-    "core-js": "^2.6.1",
+    "core-js": "^2.6.11",
     "hammerjs": "^2.0.8",
     "intl": "^1.2.5",
     "karma-phantomjs-launcher": "^1.0.4",