diff --git a/README.adoc b/README.adoc
new file mode 100644
index 0000000..171c62d
--- /dev/null
+++ b/README.adoc
@@ -0,0 +1,7 @@
+= raspberrypi-rp2040
+
+HAL and register definitions for the RP2040.
+
+== What version of Zig to use
+
+Right now we are following [master](https://ziglang.org/download/), but once 0.11.0 is released, we will be switching to the latest stable version of Zig.
diff --git a/deps/microzig b/deps/microzig
index dabc932..5b0176e 160000
--- a/deps/microzig
+++ b/deps/microzig
@@ -1 +1 @@
-Subproject commit dabc9325cdee394ff66e28c91803cb814954b157
+Subproject commit 5b0176e97781a77420be309b6505dc582713a2a5