diff --git a/package-lock.json b/package-lock.json
index 78bcd81aee..6445565caa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "docx",
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+  "version": "5.2.2",
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@@ -191,7 +191,7 @@
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-      "resolved": "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
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@@ -313,9 +313,9 @@
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-      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-2.2.48.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-8.0.0.tgz",
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@@ -702,7 +702,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
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@@ -731,7 +731,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-0.9.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
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@@ -799,7 +799,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -1507,7 +1507,7 @@
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-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
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       "dev": true
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@@ -2586,7 +2586,7 @@
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-      "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
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@@ -4351,7 +4351,7 @@
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-      "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
       "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
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@@ -4483,7 +4483,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
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@@ -4812,7 +4812,7 @@
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     "mkdirp": {
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-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
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@@ -5518,7 +5518,7 @@
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     "os-locale": {
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-      "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
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       "dev": true,
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@@ -5695,7 +5695,7 @@
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-      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
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@@ -5766,7 +5766,7 @@
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     "pify": {
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-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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       "dev": true
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@@ -7034,7 +7034,7 @@
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -7482,7 +7482,7 @@
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         "typescript": {
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-          "resolved": "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
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           "dev": true
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@@ -7586,7 +7586,7 @@
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         "yargs": {
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-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "dev": true,
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@@ -8015,7 +8015,7 @@
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         "load-json-file": {
           "version": "2.0.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
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@@ -8231,13 +8231,13 @@
       "dependencies": {
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           "version": "1.0.0",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
           "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
           "dev": true
         },
         "colors": {
           "version": "1.0.3",
-          "resolved": "http://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
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@@ -8257,7 +8257,7 @@
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     "wrap-ansi": {
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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@@ -8391,7 +8391,7 @@
     },
     "yargs": {
       "version": "4.8.1",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-4.8.1.tgz",
       "integrity": "sha1-wMQpJMpKqmsObaFznfshZDn53cA=",
       "dev": true,
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@@ -8435,7 +8435,7 @@
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     "yargs-parser": {
       "version": "2.4.1",
-      "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-2.4.1.tgz",
       "integrity": "sha1-hVaN488VD/SfpRgl8DqMiA3cxcQ=",
       "dev": true,
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diff --git a/package.json b/package.json
index d88a3731f6..62e810a418 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
   "homepage": "https://github.com/dolanmiu/docx#readme",
   "devDependencies": {
     "@types/chai": "^3.4.35",
-    "@types/mocha": "^2.2.39",
+    "@types/mocha": "^8.0.0",
     "@types/request-promise": "^4.1.42",
     "@types/shortid": "0.0.29",
     "@types/sinon": "^4.3.1",