diff --git a/README.md b/README.md
index d8c3349..11c3b1f 100644
--- a/README.md
+++ b/README.md
@@ -103,7 +103,8 @@ Each file is exposed through `package.json` `exports`, so it resolves by its spe
 	"forceLastModifiedAuthorUpdate": true,
 	"fixCreatedDate": true,
 	"normalizeDateFormat": true,
-	"strictCreatedDate": true
+	"strictCreatedDate": true,
+	"margin": 1
 }
 ```
 
@@ -119,6 +120,7 @@ Each file is exposed through `package.json` `exports`, so it resolves by its spe
 | `fixCreatedDate`                | `true`                        | Move an existing `@Date` back to the oldest of itself, the file's first git commit and its filesystem creation time                   |
 | `normalizeDateFormat`           | `true`                        | Write every header date in the git `%aI` form (`2026-03-01T17:59:32-08:00`)                                                           |
 | `strictCreatedDate`             | `true`                        | With `--check`, fail on an `@Date` later than the file's first commit or creation time instead of only warning                        |
+| `margin`                        | `1`                           | One blank line between the header and the file's next content. The fix-headers default is two, which prettier collapses to one        |
 
 The full description of every option is in the [fix-headers README](https://github.com/CLDMV/fix-headers#readme).
 
diff --git a/fix-headers.json b/fix-headers.json
index 3700556..ddc1582 100644
--- a/fix-headers.json
+++ b/fix-headers.json
@@ -8,5 +8,6 @@
 	"forceLastModifiedAuthorUpdate": true,
 	"fixCreatedDate": true,
 	"normalizeDateFormat": true,
-	"strictCreatedDate": true
+	"strictCreatedDate": true,
+	"margin": 1
 }
diff --git a/package-lock.json b/package-lock.json
index c6ad283..232842b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,16 @@
 {
 	"name": "@cldmv/configs",
-	"version": "1.1.1",
+	"version": "1.2.0",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@cldmv/configs",
-			"version": "1.1.1",
+			"version": "1.2.0",
 			"license": "Apache-2.0",
 			"devDependencies": {
 				"@cldmv/eslint-plugin-jsonv": "^1.0.13",
-				"@cldmv/fix-headers": "^1.3.12",
+				"@cldmv/fix-headers": "^2.1.0",
 				"@cldmv/jsonv": "^1.1.1",
 				"@cldmv/prettier-plugin-jsonv": "^1.1.0",
 				"@cldmv/vitest-runner": "^1.5.1",
@@ -136,16 +136,16 @@
 			}
 		},
 		"node_modules/@cldmv/fix-headers": {
-			"version": "1.3.12",
-			"resolved": "https://registry.npmjs.org/@cldmv/fix-headers/-/fix-headers-1.3.12.tgz",
-			"integrity": "sha512-G0HRIkoB9ilpF0yXDwbgeDmEFWk7yVIbNkdrjEIQ9ZmDFD3yc3D+QiNU5I6RDV3n1rRX2Mp2n1X3Wi5ofUyNow==",
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/@cldmv/fix-headers/-/fix-headers-2.1.0.tgz",
+			"integrity": "sha512-/ydW6xjwmgOPpN7gmP2gwr2KkLeYyjW92wMGrbt0lSUQPZgCpCweC3pmQnDTvvvKHD4vH3CFZUHw4+gKnCfJtA==",
 			"dev": true,
 			"license": "Apache-2.0",
 			"dependencies": {
 				"ignore": "^7.0.5"
 			},
 			"bin": {
-				"fix-headers": "src/cli.mjs"
+				"fix-headers": "bin/fix-headers.mjs"
 			},
 			"engines": {
 				"node": ">=22.12.0"
@@ -153,9 +153,6 @@
 			"funding": {
 				"type": "github",
 				"url": "https://github.com/sponsors/shinrai"
-			},
-			"peerDependencies": {
-				"vitest": ">=1.0.0"
 			}
 		},
 		"node_modules/@cldmv/jsonv": {
diff --git a/package.json b/package.json
index 80f5052..4fcf371 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@cldmv/configs",
-	"version": "1.1.1",
+	"version": "1.2.0",
 	"description": "CLDMV's shared tool configurations, published as plain JSON files that CLDMV repos extend.",
 	"type": "module",
 	"license": "Apache-2.0",
@@ -63,7 +63,7 @@
 	},
 	"devDependencies": {
 		"@cldmv/eslint-plugin-jsonv": "^1.0.13",
-		"@cldmv/fix-headers": "^1.3.12",
+		"@cldmv/fix-headers": "^2.1.0",
 		"@cldmv/jsonv": "^1.1.1",
 		"@cldmv/prettier-plugin-jsonv": "^1.1.0",
 		"@cldmv/vitest-runner": "^1.5.1",