diff -uNr a/containerd-modules.conf b/containerd-modules.conf
--- a/containerd-modules.conf	1970-01-01 01:00:00.000000000 +0100
+++ b/containerd-modules.conf	2021-09-06 20:02:55.832948564 +0200
@@ -0,0 +1 @@
+overlay
diff -uNr a/PKGBUILD b/PKGBUILD
--- a/PKGBUILD	2021-09-06 20:03:04.999634524 +0200
+++ b/PKGBUILD	2021-09-06 20:12:32.154231532 +0200
@@ -13,32 +13,37 @@
 provides=('container-runtime')
 arch=('x86_64')
 license=("Apache")
-source=("git+https://github.com/containerd/containerd.git#tag=v${pkgver}?signed")
+source=("git+https://github.com/containerd/containerd.git#tag=v${pkgver}?signed"
+        'containerd-modules.conf')
 validpgpkeys=("8C7A111C21105794B0E8A27BF58C5D0A4405ACDB") # Derek McGowan
-sha256sums=('SKIP')
+sha256sums=('SKIP'
+            '5971fc5991ae2b514c4e25cbfaa154aa191b4230c4201e33c00da182209f53fd')
 
 prepare() {
   # fix paths in service
   sed -i 's,/sbin,/usr/bin,;s,/usr/local,/usr,' $pkgname/containerd.service
+  # remove modprobe call in service
+  sed -i '/^ExecStartPre/d' "${pkgname}/containerd.service"
 }
 
 build() {
-  cd "${pkgname}" 
+  cd "${pkgname}"
   export GOFLAGS="-trimpath -mod=readonly -modcacherw"
   make VERSION=v$pkgver GO_BUILD_FLAGS="-trimpath -mod=readonly -modcacherw" GO_GCFLAGS="" EXTRA_LDFLAGS="-buildid="
   make VERSION=v$pkgver man
 }
 
 check() {
-  cd "${pkgname}" 
+  cd "${pkgname}"
   # Ugly, but they are trying to do priviledged operations during testing
   GOFLAGS="-trimpath" make test || true
 }
 
 package() {
-  cd "${pkgname}" 
+  cd "${pkgname}"
   make DESTDIR="$pkgdir/usr" install
   install -Dm644 containerd.service "$pkgdir"/usr/lib/systemd/system/containerd.service
+  install -Dm644 "../${pkgname}-modules.conf" "${pkgdir}/usr/lib/modules-load.d/${pkgname}.conf"
   install -Dm644 man/*.8 -t "$pkgdir/usr/share/man/man8"
   install -Dm644 man/*.5 -t "$pkgdir/usr/share/man/man5"
 }