diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 028dfa2874b6d45f2641c2413b0d678b278cc069..0c6e3236b2af014792aff7db25d0cabeaf7a44ed 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: python:3.9
+image: clarinpl/python:3.8
 
 cache:
   paths:
diff --git a/tox.ini b/tox.ini
index 736f876af326e946dca4dc5edee1464d358ad219..09e9986337c259bbd5c2beddd3f3ca23872d3329 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = python3.9
+envlist = python3.8
 skipsdist = True
 
 [testenv]