diff --git a/package-lock.json b/package-lock.json
index a50db6f..4b56f47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -94,6 +94,12 @@
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@@ -115,6 +121,92 @@
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+          "resolved": "https://registry.npmjs.org/lower-case/-/lower-case-2.0.2.tgz",
+          "integrity": "sha512-7fm3l3NAF9WfN6W3JOmf5drwpVqX78JtoGJ3A6W0a6ZnldM41w2fV5D490psKFTpMds8TJse/eHLFFsNHHjHgg==",
+          "dev": true,
+          "requires": {
+            "tslib": "^2.0.3"
+          }
+        },
+        "no-case": {
+          "version": "3.0.4",
+          "resolved": "https://registry.npmjs.org/no-case/-/no-case-3.0.4.tgz",
+          "integrity": "sha512-fgAN3jGAh+RoxUGZHTSOLJIqUc2wmoBwGR4tbpNAKmmovFoWq0OdRkb0VkldReO2a2iBT/OEulG9XSUc10r3zg==",
+          "dev": true,
+          "requires": {
+            "lower-case": "^2.0.2",
+            "tslib": "^2.0.3"
+          }
+        },
+        "tslib": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.2.0.tgz",
+          "integrity": "sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==",
+          "dev": true
+        }
+      }
+    },
     "pascalcase": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/pascalcase/-/pascalcase-0.1.1.tgz",
@@ -7132,8 +7514,7 @@
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       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.0.tgz",
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-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "pify": {
       "version": "3.0.0",
@@ -7390,13 +7771,13 @@
       "optional": true
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     "pretty-error": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.1.tgz",
-      "integrity": "sha1-X0+HyPkeWuPzuoerTPXgOxoX8aM=",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.2.tgz",
+      "integrity": "sha512-EY5oDzmsX5wvuynAByrmY0P0hcp+QpnAKbJng2A2MPjVKXCxrDSUkzghVJ4ZGPIv+JC4gX8fPUWscC0RtjsWGw==",
       "dev": true,
       "requires": {
-        "renderkid": "^2.0.1",
-        "utila": "~0.4"
+        "lodash": "^4.17.20",
+        "renderkid": "^2.0.4"
       }
     },
     "private": {
@@ -7855,24 +8236,16 @@
       "dev": true
     },
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-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/renderkid/-/renderkid-2.0.1.tgz",
-      "integrity": "sha1-iYyr/Ivt5Le5ETWj/9Mj5YwNsxk=",
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/renderkid/-/renderkid-2.0.5.tgz",
+      "integrity": "sha512-ccqoLg+HLOHq1vdfYNm4TBeaCDIi1FLt3wGojTDSvdewUv65oTmI3cnT2E4hRjl1gzKZIPK+KZrXzlUYKnR+vQ==",
       "dev": true,
       "requires": {
-        "css-select": "^1.1.0",
-        "dom-converter": "~0.1",
-        "htmlparser2": "~3.3.0",
-        "strip-ansi": "^3.0.0",
-        "utila": "~0.3"
-      },
-      "dependencies": {
-        "utila": {
-          "version": "0.3.3",
-          "resolved": "https://registry.npmjs.org/utila/-/utila-0.3.3.tgz",
-          "integrity": "sha1-1+jn1+MJEHCSsF+NloiCTWM6QiY=",
-          "dev": true
-        }
+        "css-select": "^2.0.2",
+        "dom-converter": "^0.2",
+        "htmlparser2": "^3.10.1",
+        "lodash": "^4.17.20",
+        "strip-ansi": "^3.0.0"
       }
     },
     "repeat-element": {
@@ -9254,12 +9627,6 @@
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       "dev": true
     },
-    "toposort": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/toposort/-/toposort-1.0.7.tgz",
-      "integrity": "sha1-LmhELZ9k7HILjMieZEOsbKqVACk=",
-      "dev": true
-    },
     "trim-right": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
@@ -9341,6 +9708,26 @@
         }
       }
     },
+    "unbox-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
+      "integrity": "sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==",
+      "dev": true,
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has-bigints": "^1.0.1",
+        "has-symbols": "^1.0.2",
+        "which-boxed-primitive": "^1.0.2"
+      },
+      "dependencies": {
+        "has-symbols": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.2.tgz",
+          "integrity": "sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==",
+          "dev": true
+        }
+      }
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
@@ -10350,6 +10737,19 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "dev": true,
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      }
+    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
diff --git a/package.json b/package.json
index 50280fc..332e3f8 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "file-loader": "^4.2.0",
     "fs-extra": "^8.1.0",
     "html-loader": "^0.5.5",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "^4.5.2",
     "markdown-styles": "^3.1.10",
     "rollup": "^1.23.0",
     "rollup-plugin-babel": "^3.0.4",