diff --git a/package-lock.json b/package-lock.json
index 86255fe..b97868d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5053,9 +5053,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.18.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz",
-      "integrity": "sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==",
+      "version": "1.19.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+      "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==",
       "dev": true
     },
     "pretty-format": {
diff --git a/package.json b/package.json
index 487fddf..d06988d 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
 	],
 	"devDependencies": {
 		"jest": "24.9.0",
-		"prettier": "1.18.2"
+		"prettier": "1.19.1"
 	},
 	"dependencies": {
 		"asciidoctor-reveal.js": "^2.0.0",