diff --git a/build_library/generate_au_zip.py b/build_library/generate_au_zip.py
index 830dab2..f0fb080 100755
--- a/build_library/generate_au_zip.py
+++ b/build_library/generate_au_zip.py
@@ -21,6 +21,7 @@
     '/bin/mount',
     '/bin/umount',
     '/sbin/losetup',
+    '/sbin/blockdev',
     # These are specific to our build.
     '/usr/bin/cgpt',
     '/usr/bin/delta_generator',