diff --git a/toolchains/riscv-tools/riscv-isa-sim b/toolchains/riscv-tools/riscv-isa-sim
index e2a364ad..f4035e2d 160000
--- a/toolchains/riscv-tools/riscv-isa-sim
+++ b/toolchains/riscv-tools/riscv-isa-sim
@@ -1 +1 @@
-Subproject commit e2a364adfd65488623e4cb23e7dde43a52f66c30
+Subproject commit f4035e2d87358f97a50e61a5edc6055f77e88219