diff --git a/package.json b/package.json
index 2a0b6f3..5ecc9f2 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "pwa-helpers": "0.9.1"
   },
   "devDependencies": {
-    "prettier": "1.16.4",
+    "prettier": "1.19.1",
     "rollup": "1.20.3",
     "rollup-plugin-node-resolve": "4.0.1"
   }
diff --git a/yarn.lock b/yarn.lock
index 1f85780..c1ebaa2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -57,10 +57,10 @@ path-to-regexp@2.4.0:
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-2.4.0.tgz#35ce7f333d5616f1c1e1bfe266c3aba2e5b2e704"
   integrity sha512-G6zHoVqC6GGTQkZwF4lkuEyMbVOjoBKAEybQUypI1WTkqinCOrq2x6U2+phkJ1XsEMTy4LjtwPI7HW+NVrRR2w==
 
-prettier@1.16.4:
-  version "1.16.4"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
-  integrity sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==
+prettier@1.19.1:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
 
 pwa-helpers@0.9.1:
   version "0.9.1"