diff --git a/.gitignore b/.gitignore
index c235713a4..0d8418068 100644
--- a/.gitignore
+++ b/.gitignore
@@ -210,3 +210,4 @@ sim/vcs/sim_out*
 sim/vcs/simprofile_dir
 sim/vcs/ucli.key
 sim/vcs/verdi_config_file
+sim/verilator/testbench.vcd