diff --git a/package.json b/package.json
index 279f9cb..8a3ac38 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "eslint-config-prettier": "6.0.0",
     "esm": "3.2.25",
     "microbundle": "0.11.0",
-    "prettier": "1.18.2",
+    "prettier": "1.19.0",
     "rimraf": "2.6.3",
     "rxjs": "6.5.2"
   }
diff --git a/yarn.lock b/yarn.lock
index 2d8d6ab..6bfa555 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4517,10 +4517,10 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier@1.18.2:
-  version "1.18.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"
-  integrity sha512-OeHeMc0JhFE9idD4ZdtNibzY0+TPHSpSSb9h8FqtP+YnoZZ1sl8Vc9b1sasjfymH3SonAF4QcA2+mzHPhMvIiw==
+prettier@1.19.0:
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.0.tgz#3bec4489d5eebcd52b95ddd2c22467b5c852fde1"
+  integrity sha512-GlAIjk6DjkNT6u/Bw5QCWrbzh9YlLKwwmJT//1YiCR3WDpZDnyss64aXHQZgF8VKeGlWnX6+tGsKSVxsZT/gtA==
 
 pretty-bytes@^3.0.0:
   version "3.0.1"