diff --git a/images/ig-build/Dockerfile b/images/ig-build/Dockerfile
index 3b0be086..fd8f377f 100644
--- a/images/ig-build/Dockerfile
+++ b/images/ig-build/Dockerfile
@@ -1,7 +1,7 @@
 FROM openjdk:21-jdk-bullseye
 MAINTAINER Josh Mandel
 
-RUN apt-get update && apt-get -y install python3 python3-pip gosu openssl wget graphviz ruby2.7 ruby2.7-dev inotify-tools
+RUN apt-get update && apt-get -y install python3 python3-pip gosu openssl wget graphviz ruby2.7 ruby2.7-dev inotify-tools && apt-get clean
 RUN pip3 install --upgrade  requests zulip
 RUN gem install jekyll jekyll-asciidoc
 
diff --git a/k8s/reserved-capacity.yaml b/k8s/reserved-capacity.yaml
index 241022e9..b9ccf30f 100644
--- a/k8s/reserved-capacity.yaml
+++ b/k8s/reserved-capacity.yaml
@@ -35,7 +35,7 @@ spec:
       terminationGracePeriodSeconds: 0
       containers:
       - name: ubuntu
-        image: ubuntu
+        image: "gcr.io/fhir-org-starter-project/ig-build"
         command: ["sleep"]
         args: ["infinity"]
         resources: