diff --git a/ng-dev/format/formatters/prettier.ts b/ng-dev/format/formatters/prettier.ts
index 3d83902d7..528e2196a 100644
--- a/ng-dev/format/formatters/prettier.ts
+++ b/ng-dev/format/formatters/prettier.ts
@@ -21,7 +21,12 @@ export class Prettier extends Formatter {
 
   override binaryFilePath = join(this.git.baseDir, 'node_modules/.bin/prettier');
 
-  override defaultFileMatcher = ['**/*.{js,cjs,mjs}', '**/*.{ts,cts,mts}', '**/*.json'];
+  override defaultFileMatcher = [
+    '**/*.{js,cjs,mjs}',
+    '**/*.{ts,cts,mts}',
+    '**/*.json',
+    '**/*.{yml,yaml}',
+  ];
 
   /**
    * The configuration path of the prettier config, obtained during construction to prevent needing
diff --git a/tools/local-actions/changelog/main.js b/tools/local-actions/changelog/main.js
index 84335aee4..59e08c7a2 100644
--- a/tools/local-actions/changelog/main.js
+++ b/tools/local-actions/changelog/main.js
@@ -48493,7 +48493,12 @@ var require_prettier = __commonJS({
         super(...arguments);
         this.name = "prettier";
         this.binaryFilePath = (0, path_12.join)(this.git.baseDir, "");
-        this.defaultFileMatcher = ["**/*.{js,cjs,mjs}", "**/*.{ts,cts,mts}", "**/*.json"];
+        this.defaultFileMatcher = [
+          "**/*.{js,cjs,mjs}",
+          "**/*.{ts,cts,mts}",
+          "**/*.json",
+          "**/*.{yml,yaml}"
+        ];
         this.configPath = this.config["prettier"] ? (0, child_process_1.spawnSync)(this.binaryFilePath, ["--find-config-path", "."]).stdout.trim() : "";
         this.actions = {
           check: {