diff --git a/.github/workflows/build-ot3-actions.yml b/.github/workflows/build-ot3-actions.yml
index f958f58b..d46b0628 100644
--- a/.github/workflows/build-ot3-actions.yml
+++ b/.github/workflows/build-ot3-actions.yml
@@ -163,7 +163,7 @@ jobs:
         if: ${{ matrix.build_env == 'stage-prod' }}
         uses: slackapi/slack-github-action@v1.14.0
         with:
-          payload: "{\"s3-url\":\"${{ steps.upload-results.outputs.console_url }}/\",\"type\":\"branch\", \"reflike\":\"${{ github.ref }}\", \"full-image\":\"${{ steps.upload-results.outputs.fullimage_url }}\", \"system-update\":\"${{ steps.upload-results.outputs.system_url }}\", \"version-file\":\"${{ steps.upload-results.outputs.version_file_url }}\"}"
+          payload: "{\"s3-url\":\"${{ steps.upload-results.outputs.console_url }}/\",\"type\":\"branch\", \"reflike\":\"${{ steps.build-refs.outputs.oe-core }}\", \"full-image\":\"${{ steps.upload-results.outputs.fullimage_url }}\", \"system-update\":\"${{ steps.upload-results.outputs.system_url }}\", \"version-file\":\"${{ steps.upload-results.outputs.version_file_url }}\"}"
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
       - name: Remove build data
diff --git a/layers/meta-opentrons/classes/get_ot_package_version.bbclass b/layers/meta-opentrons/classes/get_ot_package_version.bbclass
index fc942589..118f6fe9 100644
--- a/layers/meta-opentrons/classes/get_ot_package_version.bbclass
+++ b/layers/meta-opentrons/classes/get_ot_package_version.bbclass
@@ -1,10 +1,18 @@
-PACKAGEJSON_FILE ?= "${S}/package.json"
+OT_PACKAGE ?= ''
 DEST_SYSTEMD_DROPFILE ?= "${B}/version.conf"
+MONOREPO_ROOT_PATH = "${S}"
 
 def get_ot_package_version(d):
     import json
+    import os
+    s = d.getVar('MONOREPO_ROOT_PATH')
     f = d.getVar('PACKAGEJSON_FILE')
-    return json.load(open(f))['version']
+    try:
+        sys.path.append(os.path.join(s, 'scripts'))
+        from python_build_utils import get_version
+        return get_version(d.getVar('OT_PACKAGE', 'robot-server'), 'ot3')
+    finally:
+        sys.path = sys.path[:-1]
 
 # Add this as a task if you want to use it:
 # addtask do_write_systemd_dropfile after do_compile before do_install
diff --git a/layers/meta-opentrons/recipes-robot/opentrons-robot-server/opentrons-robot-server_git.bb b/layers/meta-opentrons/recipes-robot/opentrons-robot-server/opentrons-robot-server_git.bb
index 28ac77ca..a3959f39 100644
--- a/layers/meta-opentrons/recipes-robot/opentrons-robot-server/opentrons-robot-server_git.bb
+++ b/layers/meta-opentrons/recipes-robot/opentrons-robot-server/opentrons-robot-server_git.bb
@@ -6,8 +6,8 @@ LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
 
 # Modify these as desired
-PACKAGEJSON_FILE = "${S}/robot-server/robot_server/package.json"
 DEST_SYSTEMD_DROPFILE ?= "${B}/robot-server-version.conf"
+OT_PACKAGE = "robot-server"
 inherit insane systemd get_ot_package_version
 
 SYSTEMD_AUTO_ENABLE = "enable"
@@ -31,7 +31,7 @@ addtask do_write_systemd_dropfile after do_compile before do_install
 do_install_append () {
     # create json file to be used in VERSION.json
     install -d ${D}/opentrons_versions
-    python3 ${S}/scripts/python_build_utils.py robot-server dump_br_version > ${D}/opentrons_versions/opentrons-robot-server-version.json
+    python3 ${S}/scripts/python_build_utils.py robot-server ot3 dump_br_version > ${D}/opentrons_versions/opentrons-robot-server-version.json
 
     install -d ${D}${systemd_system_unitdir}
     install -m 0644 ${WORKDIR}/opentrons-robot-server.service ${D}${systemd_system_unitdir}/opentrons-robot-server.service
diff --git a/layers/meta-opentrons/recipes-robot/opentrons-update-server/opentrons-update-server_git.bb b/layers/meta-opentrons/recipes-robot/opentrons-update-server/opentrons-update-server_git.bb
index 24fb7080..2898d776 100644
--- a/layers/meta-opentrons/recipes-robot/opentrons-update-server/opentrons-update-server_git.bb
+++ b/layers/meta-opentrons/recipes-robot/opentrons-update-server/opentrons-update-server_git.bb
@@ -27,7 +27,7 @@ PIPENV_APP_BUNDLE_USE_GLOBAL = "python3-aiohttp systemd-python"
 do_install_append() {
   # create json file to be used in VERSION.json
   install -d ${D}/opentrons_versions
-  python3 ${S}/scripts/python_build_utils.py update-server dump_br_version > ${D}/opentrons_versions/opentrons-update-server-version.json
+  python3 ${S}/scripts/python_build_utils.py update-server ot3 dump_br_version > ${D}/opentrons_versions/opentrons-update-server-version.json
 
   install -d ${D}/${systemd_unitdir}/system
   install -m 0644 ${WORKDIR}/opentrons-update-server.service ${D}/${systemd_unitdir}/system