diff --git a/.github/workflows/bump.yml b/.github/workflows/bump.yml
index cb8c12d..147b701 100644
--- a/.github/workflows/bump.yml
+++ b/.github/workflows/bump.yml
@@ -11,6 +11,9 @@ on:
     - cron: '00 15 * * *'
   # enable manual trigger of version updates
   workflow_dispatch:
+  # trigger on upstream repository tag events
+  repository_dispatch:
+    types: [upstream-release]
 jobs:
   bump:
     runs-on: ubuntu-latest
diff --git a/buildenv b/buildenv
index 76f7954..972dc33 100644
--- a/buildenv
+++ b/buildenv
@@ -1,10 +1,11 @@
 # bump: zoslib-version /ZOSLIB_VERSION="(.*)"/ https://github.com/zopencommunity/zoslib.git|semver:*
 ZOSLIB_VERSION="4.0.1"
 
-export ZOPEN_BUILD_LINE="DEV"
+export ZOPEN_STABLE_TAG="v${ZOSLIB_VERSION}"
+export ZOPEN_BUILD_LINE="STABLE"
 export ZOPEN_CATEGORIES="library"
-export ZOPEN_DEV_URL="https://github.com/zopencommunity/zoslib.git"
-export ZOPEN_DEV_DEPS="make cmake coreutils"
+export ZOPEN_STABLE_URL="https://github.com/zopencommunity/zoslib.git"
+export ZOPEN_STABLE_DEPS="make cmake coreutils"
 export ZOPEN_DONT_ADD_ZOSLIB_DEP=1 # zoslib cannot currently build with itself
 
 export ZOPEN_CONFIGURE="cmake"
diff --git a/cicd.groovy b/cicd.groovy
index 276b9e0..1505e06 100644
--- a/cicd.groovy
+++ b/cicd.groovy
@@ -8,13 +8,6 @@ node('linux')
                         doGenerateSubmoduleConfigurations: false,
                         extensions: [],
                         userRemoteConfigs: [[url: "https://github.com/zopencommunity/zoslibport.git"]]])
-                 // Poll changes from upstream
-                 checkout([
-                        $class: 'GitSCM',
-                        branches: [[name: '*/zopen2']],
-                        doGenerateSubmoduleConfigurations: false,
-                        extensions: [],
-                        userRemoteConfigs: [[url: "https://github.com/zopencommunity/zoslib.git"]]])
         }
   stage('Build') {
     build job: 'Port-Pipeline', parameters: [string(name: 'PORT_GITHUB_REPO', value: 'https://github.com/zopencommunity/zoslibport.git'), string(name: 'PORT_DESCRIPTION', value: 'ZOSLIB is a z/OS C/C++ library. It is an extended implementation of the z/OS LE C Runtime Library.' )]