diff --git a/7/Dockerfile b/7/Dockerfile
index 8924dc6f82dbd6617b49e95d4b7b643c68e20589..1b2e3903e72dc1262dff8794376d02b0fd2a04a7 100644
--- a/7/Dockerfile
+++ b/7/Dockerfile
@@ -29,7 +29,7 @@ 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 yum install -y centos-release-scl centos-release-scl-rh scl-utils-build
 
 RUN wget -O /etc/yum.repos.d/ICINGA-release.repo \
  https://packages.icinga.com/epel/ICINGA-release.repo