diff --git a/images/ubuntu-slim/Dockerfile b/images/ubuntu-slim/Dockerfile
index 043856e59..82e7afc1e 100644
--- a/images/ubuntu-slim/Dockerfile
+++ b/images/ubuntu-slim/Dockerfile
@@ -27,8 +27,8 @@ RUN chmod +x /opt/entrypoint.sh
 
 RUN apt-get update && apt-get upgrade -y && apt-get install -y sudo lsb-release jq dpkg && \
     touch /run/.containerenv && \
-    /tmp/scripts/build/configure-apt.sh && \
     /tmp/scripts/build/configure-apt-sources.sh && \
+    /tmp/scripts/build/configure-apt.sh && \
     /tmp/scripts/build/install-apt-vital.sh && \
     /tmp/scripts/build/install-ms-repos.sh && \
     /tmp/scripts/build/configure-image-data-file.sh && \