diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index eeb9d04..891b037 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,4 +14,5 @@ jobs:
           echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | sudo tee /etc/apt/sources.list.d/sbt_old.list
           curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | sudo apt-key add
           sudo apt update && sudo apt install -y sbt
+          sudo apt-get update -y && sudo apt-get install -y verilator
           make testall