diff --git a/package.json b/package.json
index 4218a4f7d..38e94dcc8 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
 		"build-api": "lazy build-api",
 		"build-package": "lazy build-package",
 		"lint": "lazy lint",
-		"format": "prettier --write \"**/*.{ts,tsx,js,jsx,json}\"",
+		"format": "prettier --write --cache \"**/*.{ts,tsx,js,jsx,json}\"",
 		"typecheck": "yarn refresh-assets && tsx scripts/typecheck.ts",
 		"check-scripts": "tsx scripts/check-scripts.ts",
 		"api-check": "lazy api-check",
@@ -56,7 +56,7 @@
 	"packageManager": "yarn@3.5.0",
 	"lint-staged": {
 		"*.{js,jsx,ts,tsx,json}": [
-			"prettier --write"
+			"prettier --write --cache"
 		]
 	},
 	"devDependencies": {
diff --git a/packages/tlschema/package.json b/packages/tlschema/package.json
index 13d6ee6dc..65e7ef87b 100644
--- a/packages/tlschema/package.json
+++ b/packages/tlschema/package.json
@@ -34,7 +34,7 @@
 		"test": "lazy inherit",
 		"test-coverage": "lazy inherit",
 		"index": "node ./scripts/build-index.js && yarn format",
-		"format": "yarn run -T prettier --write \"src/**/*.{ts,tsx,js,jsx,json,md}\"",
+		"format": "yarn run -T prettier --write --cache \"src/**/*.{ts,tsx,js,jsx,json,md}\"",
 		"build": "yarn run -T tsx ../../scripts/build-package.ts",
 		"build-api": "yarn run -T tsx ../../scripts/build-api.ts",
 		"prepack": "yarn run -T tsx ../../scripts/prepack.ts",
diff --git a/scripts/lint.ts b/scripts/lint.ts
index 5f42b17aa..79fe74391 100755
--- a/scripts/lint.ts
+++ b/scripts/lint.ts
@@ -54,6 +54,7 @@ async function main() {
 			'-T',
 			'prettier',
 			shouldFix ? '--write' : '--check',
+			'--cache',
 			...prettierFiles,
 		])
 		await exec('yarn', [