diff --git a/builder/deb/ubuntu-trusty/Dockerfile b/builder/deb/ubuntu-trusty/Dockerfile
index 7712549..595196a 100644
--- a/builder/deb/ubuntu-trusty/Dockerfile
+++ b/builder/deb/ubuntu-trusty/Dockerfile
@@ -18,6 +18,7 @@
 
 RUN apt-get update && apt-get -y install \
   bison \
+  ca-certificates-java \
   debhelper \
   dh-systemd \
   devscripts \