diff --git a/requirements.txt b/requirements.txt
index daefe6b51c395e2707d63246ccba62d40ad34fd7..a19b03d2179bfcdb73d04f9b71b0317de29575ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,3 +8,4 @@ pre-commit
 scipy
 sphinx
 wget
+pyverilator