diff --git a/docs/configuration.md b/docs/configuration.md
index 1c17c2e27..e88c59af6 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -10,6 +10,8 @@ Lighthouse CI will automatically look for a configuration file in the current wo
 
 1. `.lighthouserc.js`
 1. `lighthouserc.js`
+1. `.lighthouserc.cjs`
+1. `lighthouserc.cjs`
 1. `.lighthouserc.json`
 1. `lighthouserc.json`
 1. `.lighthouserc.yml`