diff --git a/libzrtpcpp.changes b/libzrtpcpp.changes
index 5be9a6b..d0daa1b 100644
--- a/libzrtpcpp.changes
+++ b/libzrtpcpp.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Oct 13 09:26:17 UTC 2014 - jengelh@inai.de
+
+- Set version on BuildRequire dependency; the project needs a C++11
+  compiler.
+
 -------------------------------------------------------------------
 Sat Sep  6 18:30:47 UTC 2014 - jengelh@inai.de
 
diff --git a/libzrtpcpp.spec b/libzrtpcpp.spec
index 72c90b9..b668931 100644
--- a/libzrtpcpp.spec
+++ b/libzrtpcpp.spec
@@ -31,7 +31,7 @@ Url:            http://www.gnutelephony.org/index.php/GNU_ZRTP
 Source:         %name-%version.tar.xz
 Source2:        %name.keyring
 BuildRequires:  cmake
-BuildRequires:  gcc-c++
+BuildRequires:  gcc-c++ >= 4.7
 BuildRequires:  pkgconfig
 BuildRequires:  xz
 BuildRequires:  pkgconfig(libccrtp) >= 2