diff --git a/.gitignore b/.gitignore
index 412e3d6..f656c19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,10 @@ build/
 test/
 
 # Output from yosys
-abc.history
\ No newline at end of file
+abc.history
+
+# Jekyll files
+.bundle
+Gemfile
+Gemfile.lock
+_*