diff --git a/package.json b/package.json
index 0f45abf503..0988802f2d 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "jsinspect": "^0.12.6",
     "minimatch": "^3.0.4",
     "mock-stdin": "^0.3.0",
-    "prettier": "^1.5.2",
+    "prettier": "^3.0.0",
     "string-replace-loader": "^2.1.1",
     "temp": "^0.8.3",
     "webpack": "^2.1.0-beta.25",
diff --git a/packages/pkg-tests/package.json b/packages/pkg-tests/package.json
index 2b7e1fa77a..c42be85723 100644
--- a/packages/pkg-tests/package.json
+++ b/packages/pkg-tests/package.json
@@ -12,7 +12,7 @@
         "flow-bin": "^0.66.0",
         "jest": "^23.0.0",
         "jest-junit": "^5.2.0",
-        "prettier": "^1.10.2"
+        "prettier": "^3.0.0"
     },
     "scripts": {
         "prettier": "prettier --write '**/*.js'"
diff --git a/packages/pkg-tests/yarn.lock b/packages/pkg-tests/yarn.lock
index 77bfd7e361..f0f6be6f3e 100644
--- a/packages/pkg-tests/yarn.lock
+++ b/packages/pkg-tests/yarn.lock
@@ -3051,9 +3051,10 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@^1.10.2:
-  version "1.10.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
+prettier@^3.0.0:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.2.tgz#a5ce1fb522a588bf2b78ca44c6e6fe5aa5a2b13f"
+  integrity sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==
 
 pretty-format@^23.0.1:
   version "23.0.1"
diff --git a/yarn.lock b/yarn.lock
index fe1b1cd3f8..bb95156cdc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6012,10 +6012,10 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier@^1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.5.2.tgz#7ea0751da27b93bfb6cecfcec509994f52d83bb3"
-  integrity sha512-f55mvineQ5yc36cLX4n4RWP6JH6MLcfi5f9MVsjpfBs4MVSG2GYT4v6cukzmvkIOvmNOdCZfDSMY3hQcMcDQbQ==
+prettier@^3.0.0:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.4.2.tgz#a5ce1fb522a588bf2b78ca44c6e6fe5aa5a2b13f"
+  integrity sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==
 
 pretty-format@^22.4.0, pretty-format@^22.4.3:
   version "22.4.3"