diff --git a/.drone.yml b/.drone.yml
index 5707620..de4821e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -41,4 +41,10 @@ matrix:
           DATABASE: sqlite
         - IMAGE: python:3.7
           TOXENV: py37
+          DATABASE: postgresql
+        - IMAGE: python:3.8
+          TOXENV: py38
+          DATABASE: sqlite
+        - IMAGE: python:3.8
+          TOXENV: py38
           DATABASE: postgresql
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 9400c69..34aac01 100644
--- a/setup.py
+++ b/setup.py
@@ -59,44 +59,38 @@ dependency_links = {
     'account_payment_type':
         'git+https://github.com/trytonspain/'
         'trytond-account_payment_type@%(branch)s'
-        '#egg=trytonspain_account_payment_type-%(series)s' % {
+        '#egg=trytonspain_account_payment_type' % {
             'branch': branch,
-            'series': series,
             },
     'account_payment_wizard':
         'git+https://github.com/trytonspain/'
         'trytond-account_payment_wizard@%(branch)s'
-        '#egg=trytonspain_account_payment_wizard-%(series)s' % {
+        '#egg=trytonspain_account_payment_wizard' % {
             'branch': branch,
-            'series': series,
             },
     'company_bank':
         'git+https://github.com/trytonspain/'
         'trytond-company_bank@%(branch)s'
-        '#egg=trytonspain_company_bank-%(series)s' % {
+        '#egg=trytonspain_company_bank' % {
             'branch': branch,
-            'series': series,
             },
     'account_bank':
         'git+https://github.com/trytonspain/'
         'trytond-account_bank@%(branch)s'
-        '#egg=trytonspain_account_bank-%(series)s' % {
+        '#egg=trytonspain_account_bank' % {
             'branch': branch,
-            'series': series,
             },
     'account_payment_es':
         'git+https://github.com/trytonspain/'
         'trytond-account_payment_es@%(branch)s'
-        '#egg=trytonspain_account_payment_es-%(series)s' % {
+        '#egg=trytonspain_account_payment_es' % {
             'branch': branch,
-            'series': series,
             },
     'account_payment_confirming':
         'git+https://gitlab.com/datalifeit/'
         'trytond-account_payment_confirming@%(branch)s'
-        '#egg=datalife_account_payment_confirming-%(series)s' % {
+        '#egg=datalife_account_payment_confirming' % {
             'branch': branch,
-            'series': series,
             },
 }
 
diff --git a/tox.ini b/tox.ini
index 8c73716..da952cd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,10 +1,10 @@
 [tox]
-envlist = {py36,py37}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
+envlist = {py36,py37,py38}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    {py36,py37}-postgresql: psycopg2 >= 2.5
+    {py36,py37,py38}-postgresql: psycopg2 >= 2.5
     pypy3-postgresql: psycopg2cffi >= 2.5
     {py36}-sqlite: sqlitebck
 setenv =