diff --git a/ext/riscv-isa-manual b/ext/riscv-isa-manual
index 5202d9c5d..f4fdfc669 160000
--- a/ext/riscv-isa-manual
+++ b/ext/riscv-isa-manual
@@ -1 +1 @@
-Subproject commit 5202d9c5d75d7da7502f5ae3bbe38290d30fc43f
+Subproject commit f4fdfc6694c121c6f094653ea5552bfe3d4b33cc