diff --git a/test/support/ci/build.sh b/test/support/ci/build.sh
index 9c029ca2..95a35a93 100755
--- a/test/support/ci/build.sh
+++ b/test/support/ci/build.sh
@@ -1,6 +1,5 @@
 #!/bin/sh
-apk update && apk upgrade
-apk add --no-cache g++ make git bash
+apk --update add g++ make git bash
 cd /home && touch Gemfile.lock && \
   rm Gemfile.lock && \
   bundle install && \