diff --git a/.ci/Jenkinsfile b/.ci/Jenkinsfile
index 828572ecc0c0bed15049f015ea379dc0b0bd841b..bfdad3bbc1bef144fe11932060c048d16fa18862 100644
--- a/.ci/Jenkinsfile
+++ b/.ci/Jenkinsfile
@@ -1,7 +1,8 @@
-@Library("jenlib") _
+@Library("jenlib@ebrains-4.0") _
 
 Map<String, Object> pipelineOptions = [
 		projects: ["hxcomm"],
+		setupOptions: "--release-branch=ebrains-4.0",
 		container: [app: "dls-core", singularityArgs: "-B /run/munge"],
 		notificationChannel: "#dls-software",
 		configureInstallOptions: "--build-profile=ci"
diff --git a/.gitreview b/.gitreview
index 71dd89c962c6256afc6da4eaa5842cad12f1b4c1..a12c6f5449491910d8a5f94d5b082011cdfbd277 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,6 +2,6 @@
 host=brainscales-r.kip.uni-heidelberg.de
 port=29418
 project=hxcomm
-defaultbranch=master
+defaultbranch=ebrains-4.0
 defaultremote=review
 defaultrebase=0