diff --git a/opencryptoki.spec b/opencryptoki.spec
index a994f7a..1438164 100644
--- a/opencryptoki.spec
+++ b/opencryptoki.spec
@@ -26,6 +26,7 @@ BuildRequires:		autoconf automake libtool
 BuildRequires:		bison flex
 BuildRequires:		systemd
 BuildRequires:		libitm-devel
+BuildRequires		expect
 %ifarch s390 s390x
 BuildRequires:		libica-devel >= 2.3
 %endif