diff --git a/.prettierignore b/.prettierignore
index 0a39840d3..c357cfaf0 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,3 +1,6 @@
 # Prettier-only ignores.
 CHANGELOG.md
-src/third_party/lighthouse-devtools-mcp-bundle.js
\ No newline at end of file
+src/third_party/lighthouse-devtools-mcp-bundle.js
+
+# Release-please formatting brakes CI checks
+.claude-plugin/plugin.json