diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1ac5e81d05fa7d9f82db4b7c2e14dd23276f175e..754bfee2e21e93455a090107bee13083f482d6c4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,12 +1,12 @@
 linter:
-  image: debian:stretch
+  image: debian:busterh
   stage: test
   script:
   - apt update
   - apt install -y python3
   - python3 -V
   - uname -a
-  - apt install -y sqlite3 locales-all git python3-flask python3-ldap3 python3-requests python3-lxml python3-icalendar python3-mysql.connector python3-requests python3-coverage pylint3
+  - apt install -y sqlite3 locales-all git python3-flask python3-ldap3 python3-requests python3-lxml python3-icalendar python3-requests python3-coverage pylint3
   - pylint3 --indent-string='\t' --indent-after-paren=1 --max-line-length=160 --disable=missing-docstring,unused-wildcard-import --output-format=text *.py | tee pylint.txt
   artifacts:
       paths: