diff --git a/codec2.spec b/codec2.spec
index 29b9aae..122eac2 100644
--- a/codec2.spec
+++ b/codec2.spec
@@ -10,6 +10,7 @@ URL:            http://rowetel.com/codec2.html
 Source0:        http://files.freedv.org/%{name}/%{name}-%{version}.tar.xz
 
 BuildRequires:  cmake%{?rhel:3}
+BuildRequires:  libsamplerate-devel
 BuildRequires:  speex-devel
 %if 0%{?fedora}
 BuildRequires:  speexdsp-devel