diff --git a/package-lock.json b/package-lock.json
index 51045f0..90e7186 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3651,9 +3651,9 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "mustache": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/mustache/-/mustache-3.1.0.tgz",
-      "integrity": "sha512-3Bxq1R5LBZp7fbFPZzFe5WN4s0q3+gxZaZuZVY+QctYJiCiVgXHOTIC0/HgZuOPFt/6BQcx5u0H2CUOxT/RoGQ=="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/mustache/-/mustache-4.0.0.tgz",
+      "integrity": "sha512-FJgjyX/IVkbXBXYUwH+OYwQKqWpFPLaLVESd70yHjSDunwzV2hZOoTBvPf4KLoxesUzzyfTH6F784Uqd7Wm5yA=="
     },
     "nan": {
       "version": "2.14.0",
diff --git a/package.json b/package.json
index 641fb75..4f54966 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "asciidoctor": "^2.0.3",
     "jsdom": "^15.2.0",
-    "mustache": "^3.1.0",
+    "mustache": "^4.0.0",
     "rimraf": "^3.0.0",
     "showdown": "^1.9.0",
     "simple-git": "^1.126.0"