diff --git a/Cargo.lock b/Cargo.lock
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -873,9 +873,9 @@
 
 [[package]]
 name = "quote"
-version = "1.0.44"
+version = "1.0.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21b2ebcf727b7760c461f091f9f0f539b77b8e87f2fd88131e7f1b433b3cece4"
+checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
 dependencies = [
  "proc-macro2",
 ]
diff --git a/Cargo.toml b/Cargo.toml
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@
 repository = "https://tangled.org/sachy.dev/strike-sensor"
 version = "0.1.0"
 license = "MPL-2.0"
-rust-version = "1.91.0"
+rust-version = "1.94.0"
 
 [workspace.dependencies]
 embassy-time = "0.5"
diff --git a/.tangled/workflows/test.yml b/.tangled/workflows/test.yml
--- a/.tangled/workflows/test.yml
+++ b/.tangled/workflows/test.yml
@@ -7,12 +7,13 @@
 dependencies:
   nixpkgs:
     - clang
-    - cargo
+    - rustup
     - rustfmt
-    - protobuf
     - cargo-nextest
 
 steps:
+  - name: Install latest stable
+    command: rustup toolchain install stable
   - name: Format check
     command: cargo fmt --all --check
   - name: Tests
diff --git a/embassy-strike-driver/src/analysis.rs b/embassy-strike-driver/src/analysis.rs
--- a/embassy-strike-driver/src/analysis.rs
+++ b/embassy-strike-driver/src/analysis.rs
@@ -12,7 +12,11 @@
     let mut total = 0u32;
     let mut len = 0u32;
 
-    for (i, window) in buf.windows(CHUNK_SIZE).enumerate().step_by(CHUNK_STEP) {
+    for (i, window) in buf
+        .array_windows::<CHUNK_SIZE>()
+        .enumerate()
+        .step_by(CHUNK_STEP)
+    {
         let (window_total, window_diff) =
             window
                 .iter()