diff --git a/linuxptp.spec b/linuxptp.spec
index 0d03845..d8b6800 100644
--- a/linuxptp.spec
+++ b/linuxptp.spec
@@ -50,7 +50,7 @@ Patch13:	linuxptp-ppsmiss.patch
 # add support for dropping root privileges
 Patch14:	linuxptp-droproot.patch
 
-BuildRequires:	gcc gcc-c++ gnutls-devel make systemd
+BuildRequires:	gcc gcc-c++ gnutls-devel libcap-devel make systemd
 
 # require the clock group to be defined
 Requires(pre):	setup >= 2.14.5-7