diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fb4e2f7ace2d7310e53690ab3bef50a5c96496a4..4bdb71cebb480020f2ec391142e29a6e63c5b1ca 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ stages:
 variables:
   DOCKER_IMAGE_BASE: registry.icinga.com/build-docker
   ICINGA_BUILD_TYPE: snapshot
-  #ICINGA_BUILD_UPSTREAM_BRANCH:
+  ICINGA_BUILD_UPSTREAM_BRANCH: bugfix/ddos-reconnect-7444
 
 .build: &build
   stage: build
@@ -49,23 +49,6 @@ variables:
 ###################################
 # EPEL
 ###################################
-build/rhel/8:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: rhel/8
-
-test/rhel/8:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: rhel/8
-  dependencies:
-    - build/rhel/8
-
-upload/epel/8:
-  <<: *upload
-  dependencies:
-    - build/rhel/8
-
 build/centos/7:
   <<: *build
   variables:
@@ -82,114 +65,3 @@ upload/epel/7:
   <<: *upload
   dependencies:
     - build/centos/7
-
-build/centos/6:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: centos/6
-
-test/centos/6:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: centos/6
-  dependencies:
-    - build/centos/6
-
-upload/epel/6:
-  <<: *upload
-  dependencies:
-    - build/centos/6
-
-###################################
-# Fedora
-###################################
-build/fedora/30:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: fedora/30
-
-test/fedora/30:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: fedora/30
-  dependencies:
-    - build/fedora/30
-
-upload/fedora/30:
-  <<: *upload
-  dependencies:
-    - build/fedora/30
-
-build/fedora/29:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: fedora/29
-
-test/fedora/29:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: fedora/29
-  dependencies:
-    - build/fedora/29
-
-upload/fedora/29:
-  <<: *upload
-  dependencies:
-    - build/fedora/29
-
-###################################
-# SLES
-###################################
-build/sles/15.0:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: sles/15.0
-
-test/sles/15.0:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: sles/15.0
-  dependencies:
-    - build/sles/15.0
-
-upload/SUSE/15.0:
-  <<: *upload
-  dependencies:
-    - build/sles/15.0
-
-build/sles/12.4:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: sles/12.4
-
-test/sles/12.4:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: sles/12.4
-  dependencies:
-    - build/sles/12.4
-
-upload/SUSE/12.4:
-  <<: *upload
-  dependencies:
-    - build/sles/12.4
-
-###################################
-# openSUSE
-###################################
-build/opensuse/15.0:
-  <<: *build
-  variables:
-    DOCKER_IMAGE: opensuse/15.0
-
-test/opensuse/15.0:
-  <<: *test
-  variables:
-    DOCKER_IMAGE: opensuse/15.0
-  dependencies:
-    - build/opensuse/15.0
-
-upload/openSUSE/15.0:
-  <<: *upload
-  dependencies:
-    - build/opensuse/15.0