diff --git a/rrdtool.spec b/rrdtool.spec
index fcb51b1..8237f1d 100644
--- a/rrdtool.spec
+++ b/rrdtool.spec
@@ -31,7 +31,7 @@ BuildRequires:  lua-devel
 %endif
 BuildRequires:  autoconf automake libtool
 BuildRequires:  tcpd-devel
-License:        GPLv2+
+License:        GPL-2.0+
 Group:          Productivity/Scientific/Math
 Requires:       perl = %{perl_version}
 Version:        1.4.5
@@ -161,7 +161,7 @@ rm -rf $RPM_BUILD_ROOT
 #%{_datadir}/%{name}
 
 %package devel
-License:        GPLv2+
+License:        GPL-2.0+
 Summary:        A tool for data logging and analysis - Development files
 Group:          Productivity/Scientific/Math
 Requires:       %name = %version
@@ -181,7 +181,7 @@ definable time period.
 %{_libdir}/pkgconfig/librrd.pc
 
 %package -n python-rrdtool
-License:        GPLv2+
+License:        GPL-2.0+
 Summary:        Python bindings for rrdtool
 Group:          Productivity/Scientific/Math
 Requires:       %name = %version
@@ -202,7 +202,7 @@ This package contains the Python bindings
 %if 0%{?has_lua}
 
 %package -n lua-rrdtool
-License:        GPLv2+
+License:        GPL-2.0+
 Summary:        Lua bindings for rrdtool
 Group:          Productivity/Scientific/Math
 Requires:       %name = %version
@@ -224,7 +224,7 @@ This package contains the Lua bindings
 %endif
 
 %package -n tcl-rrdtool
-License:        GPLv2+
+License:        GPL-2.0+
 Summary:        Tcl bindings for rrdtool
 Group:          Productivity/Scientific/Math
 Requires:       tcl