diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7c68bb608a01b03191aaf1e0aad612a683887e96..7fae651a08bb0f21f32432e11a973367314685b0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,19 +1,8 @@
-
-# THIS FILE IS AUTOGENERATED BY THE DEVENVSHELL
-# DO NOT EDIT THIS FILE MANUALLY
-# INSTEAD EDIT THE DEVENVSHELL CONFIGURATION FILE devenv.nix
-# AND OPEN A SHELL WITH THE COMMAND devenv shell
-#
-
 image: docker-registry.schukai.com:443/nixos-ci-devenv:latest
 
-#    services:
-#      - docker:dind
 
 variables:
-  # The repo name as used in
-  # https://github.com/nix-community/NUR/blob/master/repos.json
-  NIXOS_VERSION: "23.05"
+  NIXOS_VERSION: "23.11"
   NIXPKGS_ALLOW_UNFREE: "1"
   NIXPKGS_ALLOW_INSECURE: "1"
   GIT_DEPTH: 10
@@ -22,13 +11,6 @@ stages:
   - test
   - deploy 
 
-#before_script:
-  #- echo > .env-gitlab-ci
-  #- variables=("HOME=$HOME" "CI_COMMIT_REF_NAME=$CI_COMMIT_REF_NAME" "CI_REPOSITORY_URL=$CI_REPOSITORY_URL" "GITLAB_TOKEN=$GITLAB_TOKEN" "CI_JOB_TOKEN=$CI_JOB_TOKEN" "GITLAB_USER_EMAIL=$GITLAB_USER_EMAIL" "GITLAB_USER_NAME=\"$GITLAB_USER_NAME\"" "CI_REGISTRY_USER=$CI_REGISTRY_USER" "CI_PROJECT_ID=$CI_PROJECT_ID" "CI_PROJECT_DIR=$CI_PROJECT_DIR" "CI_API_V4_URL=$CI_API_V4_URL" "CI_PROJECT_NAME=$CI_PROJECT_NAME" "CI_COMMIT_SHORT_SHA=$CI_COMMIT_SHORT_SHA"); for var in "${variables[@]}"; do echo "$var" >> .env-gitlab-ci; done
-  #- cat .env-gitlab-ci
-  #- env 
-  #- nix shell nixpkgs#docker-client -c docker info
-
 after_script:
   - if [ -f .env-gitlab-ci ]; then rm .env-gitlab-ci; fi