diff --git a/.github/workflows/translations.yml b/.github/workflows/translations.yml
index 294fc98434..470fee7f9b 100644
--- a/.github/workflows/translations.yml
+++ b/.github/workflows/translations.yml
@@ -27,9 +27,6 @@ jobs:
             - name: Install calibre dependencies
               run: setup/arch-ci.sh
 
-            - name: Install translations dependencies
-              run: python -m pip install transifex-client
-
             - name: Bootstrap calibre
               run: runuser -u ci -- python setup.py bootstrap --ephemeral
 
diff --git a/setup/translations.py b/setup/translations.py
index 01cbbb656e..c875935c3c 100644
--- a/setup/translations.py
+++ b/setup/translations.py
@@ -37,7 +37,7 @@ class POT(Command):  # {{{
         kw['cwd'] = kw.get('cwd', self.TRANSLATIONS)
         if hasattr(cmd, 'format'):
             cmd = shlex.split(cmd)
-        cmd = ['tx', '--traceback'] + cmd
+        cmd = [os.environ.get('TX', 'tx')] + cmd
         self.info(' '.join(cmd))
         return subprocess.check_call(cmd, **kw)
 
@@ -690,7 +690,7 @@ class GetTranslations(Translations):  # {{{
         if opts.check_for_errors:
             self.check_all()
             return
-        self.tx('pull -a --parallel --no-interactive')
+        self.tx('pull -a')
         if not self.is_modified:
             self.info('No translations were updated')
             return
diff --git a/setup/unix-ci.py b/setup/unix-ci.py
index de4c21bc86..5d7f8bc604 100644
--- a/setup/unix-ci.py
+++ b/setup/unix-ci.py
@@ -3,12 +3,16 @@
 
 
 import glob
+import io
+import json
 import os
 import shlex
 import subprocess
 import sys
+import tarfile
 import time
 from tempfile import NamedTemporaryFile
+from urllib.request import urlopen
 
 _plat = sys.platform.lower()
 ismacos = 'darwin' in _plat
@@ -106,6 +110,23 @@ def install_linux_deps():
     run('sudo', 'apt-get', 'install', '-y', 'gettext', 'libgl1-mesa-dev')
 
 
+def get_tx_tarball_url():
+    data = json.load(urlopen(
+        'https://api.github.com/repos/transifex/cli/releases/latest'))
+    for asset in data['assets']:
+        if asset['name'] == 'tx-linux-amd64.tar.gz':
+            return asset['browser_download_url']
+
+
+def get_tx():
+    url = get_tx_tarball_url()
+    print('Downloading:', url)
+    with urlopen(url) as f:
+        raw = f.read()
+    with tarfile.open(fileobj=io.BytesIO(raw), mode='r') as tf:
+        tf.extract('tx')
+
+
 def main():
     if iswindows:
         import runpy
@@ -130,16 +151,19 @@ def main():
     elif action == 'pot':
         transifexrc = '''\
 [https://www.transifex.com]
-api_hostname = https://api.transifex.com
+api_hostname  = https://api.transifex.com
+rest_hostname = https://rest.api.transifex.com
 hostname = https://www.transifex.com
 password = PASSWORD
+token = PASSWORD
 username = api
 '''.replace('PASSWORD', os.environ['tx'])
         with open(os.path.expanduser('~/.transifexrc'), 'w') as f:
             f.write(transifexrc)
         install_qt_source_code()
         install_env()
-        run(sys.executable, '-m', 'pip', 'install', 'transifex-client')
+        get_tx()
+        os.environ['TX'] = os.path.abspath('tx')
         run(sys.executable, 'setup.py', 'pot')
     elif action == 'test':
         os.environ['CI'] = 'true'