diff --git a/debian/control b/debian/control
index 5e9e81c3c90624b63329486a65a5f4a98b7eb0c5..160d0bfe8df83b5f33b68aadf5f91309e3872f72 100644
--- a/debian/control
+++ b/debian/control
@@ -10,7 +10,8 @@ Build-Depends: debhelper (>= 9),
     golang-github-gokyle-hotp-dev,
     golang-github-mattn-go-sqlite3-dev,
     postgresql,
-    pamtester, libpam-wrapper, oathtool, xxd
+    pamtester, libpam-wrapper, oathtool, xxd,
+    ca-certificates
 Standards-Version: 3.9.8
 Section: admin
 Homepage: https://gitlab.cs.fau.de/icipguru/goatherd