diff --git a/build-bind.jenkins b/build-bind.jenkins
index 227fc3b..24ba77b 100644
--- a/build-bind.jenkins
+++ b/build-bind.jenkins
@@ -146,8 +146,7 @@ RUN set -eux && \\
     cat /usr/local/share/ca-certificates/test-chamber-13.lan.root.crt >> /etc/ssl/certs/ca-certificates.crt && \\
     sed -i 's/dl-cdn.alpinelinux.org/nexus.c.test-chamber-13.lan\\/repository/g' /etc/apk/repositories && \\
     apk add --no-cache ca-certificates bind-dnssec-tools bash && \\
-    update-ca-certificates --fresh && \\
-    apk --no-cache upgrade
+    update-ca-certificates --fresh
 
 ENTRYPOINT [ "/bin/bash", "-c", "start.sh" ]
 """