diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 896fa3ab7881fd11bca71b752da1d799f27b40be..d34376a6c4ad7f6b2e9a0dcaf53dcb147e9cdd84 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,9 +5,9 @@ stages:
 
 variables:
   DOCKER_IMAGE_BASE: registry.icinga.com/build-docker
-  ICINGA_BUILD_TYPE: release
+  ICINGA_BUILD_TYPE: snapshot
   #ICINGA_BUILD_RELEASE_TYPE:
-  #ICINGA_BUILD_UPSTREAM_BRANCH:
+  ICINGA_BUILD_UPSTREAM_BRANCH: bugfix/processcheckresult-dependency-deadlock-2.13
 
 .build: &build
   stage: build
@@ -50,23 +50,6 @@ variables:
 ###################################
 # EPEL
 ###################################
-build/centos/8:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: centos/8
-
-test/centos/8:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: centos/8
-  dependencies:
-    - build/centos/8
-
-upload/epel/8:
-  <<: *upload
-  dependencies:
-    - build/centos/8
-
 build/centos/7:
   <<: *build
   variables:
@@ -83,99 +66,3 @@ upload/epel/7:
   <<: *upload
   dependencies:
     - build/centos/7
-
-###################################
-# Fedora
-###################################
-build/fedora/35:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: fedora/35
-    RPM_BUILD_NCPUS: '1'
-
-test/fedora/35:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: fedora/35
-  dependencies:
-    - build/fedora/35
-
-upload/fedora/35:
-  <<: *upload
-  dependencies:
-    - build/fedora/35
-
-build/fedora/34:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: fedora/34
-    RPM_BUILD_NCPUS: '1'
-
-test/fedora/34:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: fedora/34
-  dependencies:
-    - build/fedora/34
-
-upload/fedora/34:
-  <<: *upload
-  dependencies:
-    - build/fedora/34
-
-###################################
-# SLES
-###################################
-build/sles/15.3:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: sles/15.3
-
-test/sles/15.3:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: sles/15.3
-  dependencies:
-  - build/sles/15.3
-
-upload/SUSE/15.3:
-  <<: *upload
-  dependencies:
-  - build/sles/15.3
-
-build/sles/12.5:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: sles/12.5
-
-test/sles/12.5:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: sles/12.5
-  dependencies:
-    - build/sles/12.5
-
-upload/SUSE/12.5:
-  <<: *upload
-  dependencies:
-    - build/sles/12.5
-
-###################################
-# openSUSE
-###################################
-build/opensuse/15.3:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: opensuse/15.3
-
-test/opensuse/15.3:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: opensuse/15.3
-  dependencies:
-  - build/opensuse/15.3
-
-upload/openSUSE/15.3:
-  <<: *upload
-  dependencies:
-  - build/opensuse/15.3