diff --git a/lazyDir/centos7.Dockerfile b/lazyDir/centos7.Dockerfile
index e73524c..e0e76ca 100644
--- a/lazyDir/centos7.Dockerfile
+++ b/lazyDir/centos7.Dockerfile
@@ -76,6 +76,20 @@
 # Application level requirements #
 ##################################
 
+# Update to some specific versions
+RUN INSTALL_PKGS="ca-certificates-2021.2.50-72.el7_9" && \
+    yum -q clean expire-cache && \
+    yum -q makecache && \
+    yum -y install --setopt=tsflags=nodocs $INSTALL_PKGS && \
+    rpm -V $INSTALL_PKGS && \
+    yum -q -y clean all --enablerepo='*'
+
+# Add internal CA
+RUN wget -q https://share.dolden.net/public/certs/ca-dolden-root.crt \
+-O /etc/pki/ca-trust/source/anchors/ca-dolden-root.pem && \
+    update-ca-trust force-enable && \
+    update-ca-trust extract
+
 # Install something and its requirements
 #RUN INSTALL_PKGS="xxx" && \
 #    yum -q clean expire-cache && \