diff --git a/.gitignore b/.gitignore
index 80fc54129e..c37f68b02e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ node_modules
 *.bkp
 
 stats.html
+
+# graphify knowledge-graph output (generated locally via `graphify`; not committed for now)
+graphify-out/