diff --git a/kexec-tools.spec b/kexec-tools.spec
index 30266da..3cbecb5 100644
--- a/kexec-tools.spec
+++ b/kexec-tools.spec
@@ -63,6 +63,7 @@ Requires: dracut >= 050
 Requires: dracut-network >= 050
 Recommends: dracut-squash >= 050
 Requires: ethtool
+Requires: ipcalc
 BuildRequires: make
 BuildRequires: zlib-devel elfutils-devel glib2-devel bzip2-devel ncurses-devel bison flex lzo-devel snappy-devel
 BuildRequires: pkgconfig intltool gettext