diff --git a/.gitignore b/.gitignore
index d5a1375..b4eb624 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,8 @@
 **/*lock*
 **/*-slice*.csv
 **/*.zip
+**/*.html
+**/*.htm
 /ALL-SENATORS-LONG.csv
 /ALL-SENATORS.csv
 /collect2.py