diff --git a/cta.spec.in b/cta.spec.in
index aef1fcd782bb9ce3885d6b62d2d355e08f35ebb2..57b8dfcc8e1c037fc1f96875676cbad2701f5b9c 100644
--- a/cta.spec.in
+++ b/cta.spec.in
@@ -40,6 +40,7 @@ BuildRequires: openssl-devel >= 1.0.1e
 BuildRequires: cryptopp-devel >= 5.6.2
 BuildRequires: libuuid-devel >= 2.17
 BuildRequires: json-c-devel >= 0.11
+BuildRequires: libattr-devel >= 2.4.44
 # only build debug info if you're building the whole code
 
 %description