diff --git a/test/sim/riscv-tests/riscv-tests b/test/sim/riscv-tests/riscv-tests
index 0c35c37..de4f8d0 160000
--- a/test/sim/riscv-tests/riscv-tests
+++ b/test/sim/riscv-tests/riscv-tests
@@ -1 +1 @@
-Subproject commit 0c35c3705973deb37a528e9a4df24c1c3192ce1c
+Subproject commit de4f8d03fc168a54c23f4254c3724e927daa1828
diff --git a/test/sim/riscv-tests/run-isa-tests.sh b/test/sim/riscv-tests/run-isa-tests.sh
old mode 100644
new mode 100755
index 9a793d4..7aa00ba
--- a/test/sim/riscv-tests/run-isa-tests.sh
+++ b/test/sim/riscv-tests/run-isa-tests.sh
@@ -8,4 +8,4 @@ make XLEN=32 clean
 # virtual memory test machine configuration.
 make -j$(nproc) XLEN=32 SKIP_V=1 rv32ui rv32uc rv32um rv32ua rv32mi
 
-for test in $(find -name "*-p-*.bin"); do echo $test; ../../../tb_cxxrtl/tb --bin $test --cycles 10000; done
\ No newline at end of file
+for test in $(find -name "*-p-*.bin"); do echo $test; ../../../tb_cxxrtl/tb --bin $test --cycles 10000 --vcd $test.vcd --cpuret; done
\ No newline at end of file