diff --git a/org.eclipse.wildwebdeveloper/package.json b/org.eclipse.wildwebdeveloper/package.json
index dfd1c56355..407082a9b3 100644
--- a/org.eclipse.wildwebdeveloper/package.json
+++ b/org.eclipse.wildwebdeveloper/package.json
@@ -7,7 +7,7 @@
     "typescript-language-server": "5.1.3",
     "typescript-lit-html-plugin": "0.9.0",
     "typescript-plugin-css-modules": "5.2.0",
-    "yaml-language-server": "1.20.0",
+    "yaml-language-server": "1.21.0",
     "vscode-css-languageservice": "6.3.10",
     "vscode-html-languageservice": "5.6.2",
     "vscode-json-languageservice": "5.7.2",