diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index a132e46..dcce31e 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -54,6 +54,7 @@ PACKAGES="kmod-nf-nathelper-extra kmod-rtc-ds1307 \
 	  asterisk-codec-alaw asterisk-codec-ulaw \
 	  asterisk-res-rtp-asterisk \
 	  asterisk-chan-quectel \
+	  ca-certificates \
 	  collectd collectd-mod-contextswitch collectd-mod-cpu \
 	  collectd-mod-curl \
 	  collectd-mod-dhcpleases collectd-mod-disk \