diff --git a/.gitignore b/.gitignore
index 149314a01f..d382b9a60e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,9 @@ public
 resources
 static/pagefind
 tmp
+# Binary installed by cagent-action in CI
+cagent
+# cagent tmp files
 .cagent
 .upstream-issues.md
 .validation-log.md