diff --git a/rootfs/etc/cont-init.d/02-alembic b/rootfs/etc/cont-init.d/02-alembic
new file mode 100644
index 0000000..5e021eb
--- /dev/null
+++ b/rootfs/etc/cont-init.d/02-alembic
@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv sh
+
+s6-setuidgid matrix-bridge alembic -x config=/var/lib/matrix-bridge/config.yaml upgrade head