diff --git a/.azure/pipelines/ci.yml b/.azure/pipelines/ci.yml
index 26f8f50b24c1e4cbff728b2611eb1704ebb376bc..d9a6f837f1fafac79d39f804437f9224fd83336d 100644
--- a/.azure/pipelines/ci.yml
+++ b/.azure/pipelines/ci.yml
@@ -565,7 +565,7 @@ stages:
       jobDisplayName: "Build: Linux Musl ARM"
       agentOs: Linux
       useHostedUbuntu: false
-      container: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-18.04-cross-arm-alpine-20200827125937-14441ae
+      container: mcr.microsoft.com/dotnet-buildtools/prereqs:ubuntu-16.04-cross-arm-alpine-20210409142327-044d5b9
       buildScript: ./eng/build.sh
       buildArgs:
         --arch arm