diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index fe258efb545e..f6283333538c 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -1,7 +1,7 @@
 FROM php:8.2-cli
 
 RUN apt-get update && \
-    apt-get install -y git
+    apt-get install -y git jing
 
 WORKDIR /var/www
 
diff --git a/Makefile b/Makefile
index 06fb38cb2072..8ffb9d765be4 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,6 @@ php: .docker/built
 
 build: .docker/built
 
-.docker/built:
+.docker/built: .docker/Dockerfile
 	docker build .docker -t php/doc-en
 	touch .docker/built