diff --git a/.gitignore b/.gitignore
index 58a593d..d65d263 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@ sim_check_rerun/
 New_sims.pdf
 Supplemental_Implementation_Example.md
 .Rproj.user
+.Rhistory