diff --git a/.build.yml b/.build.yml
index 5914c34e..292dcf99 100644
--- a/.build.yml
+++ b/.build.yml
@@ -15,6 +15,9 @@ tasks:
   - vermin: |
       cd pmbootstrap
       sudo .ci/vermin.sh
+  - codespell: |
+      cd pmbootstrap
+      sudo .ci/codespell.sh
   - pytest: |
       cd pmbootstrap
       sudo .ci/pytest.sh
diff --git a/.ci/codespell.sh b/.ci/codespell.sh
new file mode 100755
index 00000000..5dff389a
--- /dev/null
+++ b/.ci/codespell.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -ex
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Copyright 2023 Oliver Smith
+# Description: find typos
+# https://postmarketos.org/pmb-ci
+
+if [ "$(id -u)" = 0 ]; then
+	set -x
+	apk -q add \
+		py3-codespell
+	exec su "${TESTUSER:-build}" -c "sh -e $0"
+fi
+
+set -x
+
+# -L: words to ignore
+codespell \
+	-L crate \
+	-L hda \
+	.