diff --git a/cta.spec.in b/cta.spec.in
index 33da6cb5c814e0d8a7bb5262375ce0ba6838635c..0f95ca5b6c356c737a408f7886988daa32ad1598 100644
--- a/cta.spec.in
+++ b/cta.spec.in
@@ -33,6 +33,7 @@ BuildRequires: ceph-devel >= 0.87
 BuildRequires: protobuf-compiler >= 2.3.0 protobuf-devel >= 2.3.0
 BuildRequires: gmock-devel >= 1.5.0 gtest-devel >= 1.5.0
 BuildRequires: sqlite-devel >= 3.6
+BuildRequires: libcap-devel >= 2.16
 # only build debug info if you're building the whole code
 
 %description