diff --git a/ci/docker/i686-unknown-linux-musl/Dockerfile b/ci/docker/i686-unknown-linux-musl/Dockerfile
index 585b68acc4436..ff7106b3001ae 100644
--- a/ci/docker/i686-unknown-linux-musl/Dockerfile
+++ b/ci/docker/i686-unknown-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM ubuntu:focal-20201106
 
 RUN dpkg --add-architecture i386
 RUN apt-get update