diff --git a/docs_app/package-lock.json b/docs_app/package-lock.json
index 859eddc5d1..61dd83b08f 100644
--- a/docs_app/package-lock.json
+++ b/docs_app/package-lock.json
@@ -25,7 +25,7 @@
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         "eyes.selenium": "^3.7.0",
         "rxjs": "^7.5.1",
-        "tslib": "^2.3.1",
+        "tslib": "^2.5.3",
         "zone.js": "~0.11.4"
       },
       "devDependencies": {
@@ -261,20 +261,6 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
-      "integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
-      "dev": true,
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "acorn": "bin/acorn"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
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       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -463,6 +449,12 @@
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       }
     },
+    "node_modules/@angular-devkit/build-angular/node_modules/tslib": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
+      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==",
+      "dev": true
+    },
     "node_modules/@angular-devkit/build-webpack": {
       "version": "0.1301.2",
       "resolved": "https://registry.npmjs.org/@angular-devkit/build-webpack/-/build-webpack-0.1301.2.tgz",
@@ -4271,9 +4263,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
-      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.9.0.tgz",
+      "integrity": "sha512-jaVNAFBHNLXspO543WnNNPZFRtavh3skAkITqD0/2aeMkKZTN+254PyhwxFYrk3vQ1xfY+2wbesJMs/JC8/PwQ==",
       "dev": true,
       "bin": {
         "acorn": "bin/acorn"
@@ -4292,6 +4284,18 @@
         "acorn-walk": "^6.0.1"
       }
     },
+    "node_modules/acorn-globals/node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/acorn-import-assertions": {
       "version": "1.7.6",
       "resolved": "https://registry.npmjs.org/acorn-import-assertions/-/acorn-import-assertions-1.7.6.tgz",
@@ -9942,6 +9946,18 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/espree/node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
@@ -24336,9 +24352,9 @@
       }
     },
     "node_modules/tslib": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
-      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
+      "version": "2.5.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.5.3.tgz",
+      "integrity": "sha512-mSxlJJwl3BMEQCUNnxXBU9jP4JBktcEGhURcPR6VQVlnP0FdDEsIaz0C35dXNGLyRfrATNofF0F5p2KPxQgB+w=="
     },
     "node_modules/tslint": {
       "version": "6.1.3",
@@ -25769,18 +25785,6 @@
         }
       }
     },
-    "node_modules/webpack/node_modules/acorn": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.5.0.tgz",
-      "integrity": "sha512-yXbYeFy+jUuYd3/CDcg2NkIYE991XYX/bje7LmjJigUciaeO1JR4XxXgCIV1/Zc/dRuFEyw1L0pbA+qynJkW5Q==",
-      "dev": true,
-      "bin": {
-        "acorn": "bin/acorn"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
     "node_modules/webpack/node_modules/eslint-scope": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
@@ -26517,14 +26521,6 @@
         "webpack-subresource-integrity": "5.0.0"
       },
       "dependencies": {
-        "acorn": {
-          "version": "8.7.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
-          "integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
-          "dev": true,
-          "optional": true,
-          "peer": true
-        },
         "ansi-styles": {
           "version": "4.3.0",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -26661,6 +26657,12 @@
             "source-map": "~0.7.2",
             "source-map-support": "~0.5.20"
           }
+        },
+        "tslib": {
+          "version": "2.3.1",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
+          "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==",
+          "dev": true
         }
       }
     },
@@ -29501,9 +29503,9 @@
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     },
     "acorn": {
-      "version": "6.4.2",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
-      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.9.0.tgz",
+      "integrity": "sha512-jaVNAFBHNLXspO543WnNNPZFRtavh3skAkITqD0/2aeMkKZTN+254PyhwxFYrk3vQ1xfY+2wbesJMs/JC8/PwQ==",
       "dev": true
     },
     "acorn-globals": {
@@ -29514,6 +29516,14 @@
       "requires": {
         "acorn": "^6.0.1",
         "acorn-walk": "^6.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+          "dev": true
+        }
       }
     },
     "acorn-import-assertions": {
@@ -33899,6 +33909,14 @@
         "acorn": "^6.0.7",
         "acorn-jsx": "^5.0.0",
         "eslint-visitor-keys": "^1.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+          "dev": true
+        }
       }
     },
     "esprima": {
@@ -45193,9 +45211,9 @@
       }
     },
     "tslib": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.1.tgz",
-      "integrity": "sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw=="
+      "version": "2.5.3",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.5.3.tgz",
+      "integrity": "sha512-mSxlJJwl3BMEQCUNnxXBU9jP4JBktcEGhURcPR6VQVlnP0FdDEsIaz0C35dXNGLyRfrATNofF0F5p2KPxQgB+w=="
     },
     "tslint": {
       "version": "6.1.3",
@@ -46109,12 +46127,6 @@
         "webpack-sources": "^3.2.2"
       },
       "dependencies": {
-        "acorn": {
-          "version": "8.5.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.5.0.tgz",
-          "integrity": "sha512-yXbYeFy+jUuYd3/CDcg2NkIYE991XYX/bje7LmjJigUciaeO1JR4XxXgCIV1/Zc/dRuFEyw1L0pbA+qynJkW5Q==",
-          "dev": true
-        },
         "eslint-scope": {
           "version": "5.1.1",
           "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
diff --git a/docs_app/package.json b/docs_app/package.json
index 8f375a1629..4d87a189ad 100644
--- a/docs_app/package.json
+++ b/docs_app/package.json
@@ -59,7 +59,7 @@
     "@webcomponents/custom-elements": "^1.5.0",
     "eyes.selenium": "^3.7.0",
     "rxjs": "^7.5.1",
-    "tslib": "^2.3.1",
+    "tslib": "^2.5.3",
     "zone.js": "~0.11.4"
   },
   "devDependencies": {