diff --git a/srcpkgs/openconnect/template b/srcpkgs/openconnect/template
index 8c1f601dce5..e508cd64933 100644
--- a/srcpkgs/openconnect/template
+++ b/srcpkgs/openconnect/template
@@ -21,7 +21,7 @@ post_install() {
 
 openconnect-devel_package() {
 	short_desc+=" - development files"
-	depends="${sourcepkg}>=${version}_${revision}"
+	depends="${sourcepkg}>=${version}_${revision} zlib-devel libressl-devel libxml2-devel"
 	pkg_install() {
 		vmove usr/include
 		vmove usr/lib/*.so