diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f5ebed04..20ec9e74 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,13 +33,13 @@ sast:
 dependency_scanning:
   stage: gitlab
   before_script:
-  - apt-get update && apt-get install redis-server libmariadbclient-dev -y
+  - apt-get update && apt-get install redis-server libmariadb-dev -y
   - redis-server --daemonize yes
   - python -V
   - pip install wheel tox
 
 test-3.7-core:
-  image: python:3.7-buster
+  image: python:3.7-bullseye
   script:
   - tox -e py37-core
   artifacts:
@@ -48,7 +48,7 @@ test-3.7-core:
       cobertura: coverage.xml
 
 test-3.8-core:
-  image: python:3.8-buster
+  image: python:3.8-bullseye
   script:
   - tox -e py38-core
   artifacts:
@@ -57,7 +57,7 @@ test-3.8-core:
       cobertura: coverage.xml
 
 test-3.9-core:
-  image: python:3.9-buster
+  image: python:3.9-bullseye
   script:
   - tox -e py39-core
   artifacts:
@@ -66,7 +66,7 @@ test-3.9-core:
       cobertura: coverage.xml
 
 test-3.7-all:
-  image: python:3.7-buster
+  image: python:3.7-bullseye
   script:
   - tox -e py37-all
   artifacts:
@@ -75,7 +75,7 @@ test-3.7-all:
       cobertura: coverage.xml
 
 test-3.8-all:
-  image: python:3.8-buster
+  image: python:3.8-bullseye
   script:
   - tox -e py38-all
   artifacts:
@@ -84,7 +84,7 @@ test-3.8-all:
       cobertura: coverage.xml
 
 test-3.9-all:
-  image: python:3.9-buster
+  image: python:3.9-bullseye
   script:
   - tox -e py39-all
   artifacts:
@@ -94,7 +94,7 @@ test-3.9-all:
 
 deploy_production:
   stage: deploy
-  image: python:3.9-buster
+  image: python:3.9-bullseye
 
   before_script:
     - pip install twine wheel