diff --git a/package.json b/package.json
index cfa5fc2..9451a13 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "ava": "0.23.0",
     "husky": "0.14.3",
     "lint-staged": "6.0.0",
-    "prettier": "1.9.2",
+    "prettier": "1.15.2",
     "serverless-plugin-typescript": "1.1.5",
     "serverless-apigwy-binary": "0.1.0"
   },
diff --git a/yarn.lock b/yarn.lock
index ab6b63c..be0872e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2638,9 +2638,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@1.9.2:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.9.2.tgz#96bc2132f7a32338e6078aeb29727178c6335827"
+prettier@1.15.2:
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.15.2.tgz#d31abe22afa4351efa14c7f8b94b58bb7452205e"
 
 pretty-format@^21.2.1:
   version "21.2.1"