diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 78a674d..979a1a4 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -21,6 +21,7 @@
             "command": "~/.cargo/bin/cargo", // note: full path to the cargo
             "args": [
                 "build", "-p", "va108xx-hal", "--example", "tests",
+                "--features", "rt"
             ],
             "group": {
                 "kind": "build",
diff --git a/va108xx-hal-rs b/va108xx-hal-rs
index cc63545..f8ddcfa 160000
--- a/va108xx-hal-rs
+++ b/va108xx-hal-rs
@@ -1 +1 @@
-Subproject commit cc635457d0d75296fcb46d2b9884d9dae72fe429
+Subproject commit f8ddcfa541eb10076f533234d8cb185a7897c014