diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 07bb8aa7adcfc8d07067871adf66f34a17524050..7c606ae937ab1a23d7f5e6a8594330868efb4f09 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 # The Docker image that will be used to build your app
-image: python:latest-slim
+image: python:3.11-slim
 
 # Functions that should be executed before the build script is run
 before_script:
diff --git a/doc/source/documentation.rst b/doc/source/documentation.rst
index 0b342ecf19bc79fda1c78d894305f854d1ed2cc0..587a078a4b5f2e635337fb8429fc714c202c74bc 100644
--- a/doc/source/documentation.rst
+++ b/doc/source/documentation.rst
@@ -283,7 +283,7 @@ This should now be done when code is changed using a '*pipeline*'.
    .. sourcecode:: yaml
 
       # The Docker image that will be used to build your app
-      image: python:latest-slim
+      image: python:3.11-slim
 
       # Functions that should be executed before the build script is run
       before_script: