diff --git a/redhat/applications/k3b/k3b-14.0.0.spec b/redhat/applications/k3b/k3b-14.0.0.spec
index 9e84ec446..cb5698755 100644
--- a/redhat/applications/k3b/k3b-14.0.0.spec
+++ b/redhat/applications/k3b/k3b-14.0.0.spec
@@ -95,6 +95,19 @@ BuildRequires:	libmusicbrainz5-devel
 BuildRequires:	libmusicbrainz-devel
 %endif
 
+# IDN support
+BuildRequires:	libidn-devel
+
+# GAMIN support
+#  Not on openSUSE.
+%if 0%{?rhel} || 0%{?fedora} || 0%{?mgaversion} || 0%{?mdkversion}
+%define with_gamin 1
+BuildRequires:	gamin-devel
+%endif
+
+# OPENSSL support
+BuildRequires:	openssl-devel
+
 Requires(post): coreutils
 Requires(postun): coreutils