diff --git a/jobs/swh/sandbox.yaml b/jobs/swh/sandbox.yaml
index e0f5fd6..c834f08 100644
--- a/jobs/swh/sandbox.yaml
+++ b/jobs/swh/sandbox.yaml
@@ -1,12 +1,13 @@
 - project:
     name: TSBX
     display-name: swh-sandbox
     pkg: sandbox
+    incoming-tag-auto-pypi-host: test.pypi.org
     jobs:
       - "{name}"
       - "{name}/incoming-tag"
       - "{name}/pypi-upload"
       - "{name}/tests"
       - "{name}/tox"
       - "debian/packages/{name}"
       - "debian/packages/{name}/update-for-release"
diff --git a/jobs/templates/incoming-tag.groovy b/jobs/templates/incoming-tag.groovy
index 589250a..4e028c4 100644
--- a/jobs/templates/incoming-tag.groovy
+++ b/jobs/templates/incoming-tag.groovy
@@ -1,77 +1,78 @@
 import jenkins.model.Jenkins
 
 @NonCPS
 def job_exists(name) {{
   def instance = jenkins.model.Jenkins.instance
   return instance.getItemByFullName(name) != null
 }}
 
 pipeline {{
   agent none
   stages {{
     stage('Refresh tag list') {{
       agent any
       steps {{
         checkout([
           $class: 'GitSCM',
           userRemoteConfigs: [[
             url: 'https://forge.softwareheritage.org/source/{display-name}.git',
           ]],
           branches: [[
             name: params.GIT_TAG,
           ]],
           browser: [
             $class: 'Phabricator',
             repo: '{display-name}',
             repoUrl: 'https://forge.softwareheritage.org/',
           ],
         ])
       }}
     }}
     stage('Build and upload PyPI package') {{
       when {{
         expression {{ params.GIT_TAG =~ /^v\d+(.\d+)+$/ }}
         expression {{ job_exists('/{name}/pypi-upload') }}
       }}
       steps {{
         build(
           job: '/{name}/pypi-upload',
           parameters: [
             string(name: 'GIT_TAG', value: params.GIT_TAG),
+            string(name: 'PYPI_HOST', value: '{incoming-tag-auto-pypi-host}'),
           ],
         )
       }}
     }}
     stage('Debian packaging for new release') {{
       when {{
         expression {{ params.GIT_TAG =~ /^v\d+(.\d+)+$/ }}
         expression {{ job_exists('/debian/packages/{name}/update-for-release') }}
       }}
       steps {{
         build(
           job: '/debian/packages/{name}/update-for-release',
           parameters: [
             string(name: 'GIT_TAG', value: params.GIT_TAG),
           ],
           wait: false,
         )
       }}
     }}
     stage('Debian automatic build') {{
       when {{
         expression {{ params.GIT_TAG =~ /^debian\/.*$/ }}
         expression {{ job_exists('/debian/packages/{name}/build') }}
       }}
       steps {{
                 build(
           job: '/debian/packages/{name}/build',
           parameters: [
             string(name: 'GIT_TAG', value: params.GIT_TAG),
             booleanParam(name: 'UPLOAD', value: true),
           ],
           wait: false,
         )
       }}
     }}
   }}
 }}
diff --git a/jobs/templates/incoming-tag.yaml b/jobs/templates/incoming-tag.yaml
index e8d5a02..916c010 100644
--- a/jobs/templates/incoming-tag.yaml
+++ b/jobs/templates/incoming-tag.yaml
@@ -1,14 +1,15 @@
 - job-template:
     name: "{name}/incoming-tag"
     display-name: Incoming tag
     project-type: pipeline
     auth-token: 'ph4br1cat0r'
+    incoming-tag-auto-pypi-host: pypi.org
     parameters:
       - git-parameter:
           name: GIT_TAG
           description: git tag to process
           type: PT_TAG
           sortMode: DESCENDING_SMART
           selectedValue: TOP
     dsl:
       !include-raw: incoming-tag.groovy