diff --git a/.gitignore b/.gitignore
index f1c181ec9c..dd6a9c8bf0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,10 @@
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
+
+# kn binary itself, if you want to `go build cmd/kn` in the top dir.
+/kn
+
+# emacs tempfiles
+\#*
+*~