diff --git a/Containerfile b/Containerfile
index 15013e1..b873a6d 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,2 +1,6 @@
 FROM docker.io/alpine:edge
 RUN apk add --no-cache buildah
+
+
+# Use chroot isolation to avoid unshare call
+ENV BUILDAH_ISOLATION=chroot