diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f0ab303..4855249 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,3 +10,4 @@ testbench:   # This job runs in the test stage.
     - apt update && apt install -y iverilog yosys verilator gtkwave
     - echo "Running unit tests..."
     - make
+    - make sim