diff --git a/.circleci/config.yml b/.circleci/config.yml
index c431efab335c..a85e0e9f49f7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -67,9 +67,9 @@ jobs:
     environment:
       <<: *env
       TRAVIS_OS_NAME: linux
-      ARCH: x86_64
+      ARCH: x86_64-musl
       ARCH_CMD: linux64
-      DOCKER_TEST_IMAGE: jrei/crystal-alpine:latest
+      DOCKER_TEST_PREFIX: crystallang/crystal:ci-test-dev # TODO: Remove after 0.33.0
     steps: *ci_steps
 
   test_darwin:
diff --git a/bin/ci b/bin/ci
index ebd6fed7c1dd..328dd98569fc 100755
--- a/bin/ci
+++ b/bin/ci
@@ -146,10 +146,13 @@ with_build_env() {
 
   case $ARCH in
     x86_64)
-      export DOCKER_TEST_IMAGE="${DOCKER_TEST_IMAGE:=$DOCKER_TEST_PREFIX-build}"
+      export DOCKER_TEST_IMAGE="$DOCKER_TEST_PREFIX-build"
+      ;;
+    x86_64-musl)
+      export DOCKER_TEST_IMAGE="$DOCKER_TEST_PREFIX-alpine-build"
       ;;
     i386)
-      export DOCKER_TEST_IMAGE="${DOCKER_TEST_IMAGE:=$DOCKER_TEST_PREFIX-i386-build}"
+      export DOCKER_TEST_IMAGE="$DOCKER_TEST_PREFIX-i386-build"
       ;;
   esac