diff --git a/travis-ci/rootfs/mkrootfs_arch.sh b/travis-ci/rootfs/mkrootfs_arch.sh
index 9419487..90e2d58 100755
--- a/travis-ci/rootfs/mkrootfs_arch.sh
+++ b/travis-ci/rootfs/mkrootfs_arch.sh
@@ -80,6 +80,7 @@ packages=(
 	# selftests test_progs dependencies.
 	binutils
 	elfutils
+	ethtool
 	glibc
 	iproute2
 	# selftests test_verifier dependencies.
diff --git a/travis-ci/rootfs/mkrootfs_debian.sh b/travis-ci/rootfs/mkrootfs_debian.sh
index a74a558..5130184 100755
--- a/travis-ci/rootfs/mkrootfs_debian.sh
+++ b/travis-ci/rootfs/mkrootfs_debian.sh
@@ -15,7 +15,7 @@ root=$(mktemp -d -p "$PWD")
 trap 'rm -r "$root"' EXIT
 
 # Install packages.
-packages=binutils,busybox,elfutils,iproute2,libcap2,libelf1,strace,zlib1g
+packages=binutils,busybox,elfutils,ethtool,iproute2,libcap2,libelf1,strace,zlib1g
 debootstrap --include="$packages" --variant=minbase bullseye "$root"
 
 # Remove the init scripts (tests use their own). Also remove various