diff --git a/docker-compose-jruby-9.0.0.0.yml b/docker-compose-jruby-9.0.0.0.yml
index a6b3a822..c451976d 100644
--- a/docker-compose-jruby-9.0.0.0.yml
+++ b/docker-compose-jruby-9.0.0.0.yml
@@ -1,6 +1,9 @@
 version: '3'
 services:
   httpx:
-    image: jruby:9.2.7-alpine
+    image: jruby:9.2.13
     environment:
       - JRUBY_OPTS=--debug
+    entrypoint:
+      - bash
+      - /home/test/support/ci/build.sh
diff --git a/test/support/ci/build.sh b/test/support/ci/build.sh
index b7373a28..17d77eca 100755
--- a/test/support/ci/build.sh
+++ b/test/support/ci/build.sh
@@ -4,10 +4,9 @@ RUBY_PLATFORM=`ruby -e 'puts RUBY_PLATFORM'`
 RUBY_ENGINE=`ruby -e 'puts RUBY_ENGINE'`
 
 if [[ "$RUBY_ENGINE" = "truffleruby" ]]; then
-  apt-get update && apt-get install -y \
-    iptables
+  apt-get update && apt-get install -y git iptables
 elif [[ "$RUBY_PLATFORM" = "java" ]]; then
-  apk --update add make git bash iptables
+  apt-get update && apt-get install -y git iptables
 elif [[ ${RUBY_VERSION:0:3} = "2.1" ]]; then
   apk --update add g++ make git bash libsodium iptables
 else