diff --git a/typescript/package.json b/typescript/package.json
index 0e3febf..4546a84 100644
--- a/typescript/package.json
+++ b/typescript/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@types/node": "^10.3.1",
-    "prettier": "^1.13.4",
+    "prettier": "^1.17.1",
     "ts-loader": "^4.3.1",
     "webpack": "^4.11.0",
     "webpack-cli": "^3.3.2"
diff --git a/typescript/yarn.lock b/typescript/yarn.lock
index 89a45af..0f50247 100644
--- a/typescript/yarn.lock
+++ b/typescript/yarn.lock
@@ -1782,9 +1782,9 @@ posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
 
-prettier@^1.13.4:
-  version "1.13.4"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.4.tgz#31bbae6990f13b1093187c731766a14036fa72e6"
+prettier@^1.17.1:
+  version "1.17.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.1.tgz#ed64b4e93e370cb8a25b9ef7fef3e4fd1c0995db"
 
 process-nextick-args@~2.0.0:
   version "2.0.0"