diff --git a/toolchains/riscv-tools/riscv-isa-sim b/toolchains/riscv-tools/riscv-isa-sim
index 34bebfe3..a6eb6c2a 160000
--- a/toolchains/riscv-tools/riscv-isa-sim
+++ b/toolchains/riscv-tools/riscv-isa-sim
@@ -1 +1 @@
-Subproject commit 34bebfe31183289b5428b9a363a4596750030d3f
+Subproject commit a6eb6c2a99ec7a23640d2aee5f3c05dc35c223d9