diff --git a/riscv-pk b/riscv-pk
index 733fae9..a2c8937 160000
--- a/riscv-pk
+++ b/riscv-pk
@@ -1 +1 @@
-Subproject commit 733fae9216f27b3d63c16f8608c3a5e2c6317afc
+Subproject commit a2c8937e631f7531c3d59e4f179369f51eb44d19