diff --git a/srcpkgs/libical/template b/srcpkgs/libical/template
index 73cfe495c1b..f52a25c5756 100644
--- a/srcpkgs/libical/template
+++ b/srcpkgs/libical/template
@@ -6,7 +6,8 @@ build_style=cmake
 build_helper="gir qemu"
 configure_args="-DICAL_BUILD_DOCS=false
  $(vopt_if gir '-DGOBJECT_INTROSPECTION=true -DICAL_GLIB_VAPI=true')"
-hostmakedepends="gettext libglib-devel libxml2-devel perl pkg-config $(vopt_if gir vala)"
+hostmakedepends="gettext libglib-devel libxml2-devel perl pkg-config $(vopt_if gir vala)
+ zlib-devel liblzma-devel icu-devel"
 makedepends="libglib-devel libxml2-devel $(vopt_if gir vala-devel)"
 checkdepends="python3-gobject"
 short_desc="Reference implementation of the iCalendar data type and format"