diff --git a/Ruby.gitignore b/Ruby.gitignore
index 5e1422c9c3f1ddaae47b5b1b597bc80748611993..969669658583a4fb641a08f1614d876d6562092b 100644
--- a/Ruby.gitignore
+++ b/Ruby.gitignore
@@ -13,6 +13,9 @@
 # Used by dotenv library to load environment variables.
 # .env
 
+# Ignore Byebug command history file.
+.byebug_history
+
 ## Specific to RubyMotion:
 .dat*
 .repl_history