diff --git a/submodules/verilator b/submodules/verilator
index ad32961..4636e9c 160000
--- a/submodules/verilator
+++ b/submodules/verilator
@@ -1 +1 @@
-Subproject commit ad329612fd834eaa193acfa81f540af175c8ed5d
+Subproject commit 4636e9cffb709de7d953389b708854a6077f5149