diff --git a/package.json b/package.json
index 4b704c7..f9db2f8 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "eslint-plugin-prettier": "3.1.4",
     "jest": "24.9.0",
     "mockdate": "2.0.5",
-    "prettier": "1.19.1",
+    "prettier": "2.4.1",
     "ts-jest": "24.2.0",
     "typescript": "3.7.5"
   }
diff --git a/yarn.lock b/yarn.lock
index 834e2ba..6d38927 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3456,10 +3456,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-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==
+prettier@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.4.1.tgz#671e11c89c14a4cfc876ce564106c4a6726c9f5c"
+  integrity sha512-9fbDAXSBcc6Bs1mZrDYb3XKzDLm4EXXL9sC1LqKP5rZkT6KRr/rf9amVUcODVXgguK/isJz0d0hP72WeaKWsvA==
 
 pretty-format@^24.9.0:
   version "24.9.0"