diff --git a/6-i386/Dockerfile b/6-i386/Dockerfile
index c089cff053e78b4cf482da17387efe81a53682ab..3a5114199832590a1f6c02d94ab4d3fecaefdd56 100644
--- a/6-i386/Dockerfile
+++ b/6-i386/Dockerfile
@@ -32,6 +32,8 @@ RUN groupadd -g 1000 jenkins \
  && echo 'Defaults:jenkins !requiretty' | tee -a /etc/sudoers \
  && echo 'jenkins ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers
 
+RUN yum install -y centos-release-scl centos-release-scl-rh
+
 RUN wget -O /etc/yum.repos.d/ICINGA-release.repo \
  https://packages.icinga.com/epel/ICINGA-release.repo
 
diff --git a/6/Dockerfile b/6/Dockerfile
index a0e09686d550db33ebc204bb53a356ad75b62bb8..868a58baab43b1cb8d438edcef8c9e029653e3d4 100644
--- a/6/Dockerfile
+++ b/6/Dockerfile
@@ -29,6 +29,8 @@ RUN groupadd -g 1000 jenkins \
  && echo 'Defaults:jenkins !requiretty' | tee -a /etc/sudoers \
  && echo 'jenkins ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers
 
+RUN yum install -y centos-release-scl centos-release-scl-rh
+
 RUN wget -O /etc/yum.repos.d/ICINGA-release.repo \
  https://packages.icinga.com/epel/ICINGA-release.repo
 
diff --git a/7/Dockerfile b/7/Dockerfile
index 8b7f30b39505dc5f4cf88157d55edb433fafce88..8924dc6f82dbd6617b49e95d4b7b643c68e20589 100644
--- a/7/Dockerfile
+++ b/7/Dockerfile
@@ -29,6 +29,8 @@ RUN groupadd -g 1000 jenkins \
  && echo 'Defaults:jenkins !requiretty' | tee -a /etc/sudoers \
  && echo 'jenkins ALL=(ALL:ALL) NOPASSWD: ALL' | tee -a /etc/sudoers
 
+RUN yum install -y centos-release-scl centos-release-scl-rh
+
 RUN wget -O /etc/yum.repos.d/ICINGA-release.repo \
  https://packages.icinga.com/epel/ICINGA-release.repo