diff --git a/package.json b/package.json
index 00e04c2..1382c77 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-ember": "^7.7.1",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^3.1.4",
+    "eslint-plugin-prettier": "^3.4.0",
     "loader.js": "^4.7.0",
     "prettier": "^1.19.1",
     "qunit-dom": "^1.6.0",
diff --git a/yarn.lock b/yarn.lock
index b3925f0..384778e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5799,10 +5799,10 @@ eslint-plugin-node@^11.1.0:
     resolve "^1.10.1"
     semver "^6.1.0"
 
-eslint-plugin-prettier@^3.1.4:
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.4.tgz#168ab43154e2ea57db992a2cd097c828171f75c2"
-  integrity sha512-jZDa8z76klRqo+TdGDTFJSavwbnWK2ZpqGKNZ+VvweMW516pDUMmQ2koXvxEE4JhzNvTv+radye/bWGBmA6jmg==
+eslint-plugin-prettier@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.4.0.tgz#cdbad3bf1dbd2b177e9825737fe63b476a08f0c7"
+  integrity sha512-UDK6rJT6INSfcOo545jiaOwB701uAIt2/dR7WnFQoGCVl1/EMqdANBmwUaqqQ45aXprsTGzSa39LI1PyuRBxxw==
   dependencies:
     prettier-linter-helpers "^1.0.0"