diff --git a/test/micromamba/test-specfile-option-non-root/Dockerfile b/test/micromamba/test-specfile-option-non-root/Dockerfile
index ed0eb3a..fe26b4b 100644
--- a/test/micromamba/test-specfile-option-non-root/Dockerfile
+++ b/test/micromamba/test-specfile-option-non-root/Dockerfile
@@ -1,3 +1,3 @@
-FROM ghcr.io/maresb/docker-debian-curl
+FROM mcr.microsoft.com/devcontainers/base:bullseye
 
 COPY specfile.yml /tmp/specfile.yml