diff --git a/libplist.spec b/libplist.spec
index 577dedd..05efc90 100644
--- a/libplist.spec
+++ b/libplist.spec
@@ -20,7 +20,7 @@
 Name:           libplist
 Version:        1.4
 Release:        5
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists
 Url:            http://cgit.sukimashita.com/libplist.git
 Group:          System/Libraries
@@ -40,7 +40,7 @@ Patch1:         gcc46_build_fix.patch
 libplist is a library for handling Apple Binary and XML Property Lists.
 
 %package -n libplist1
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists
 Group:          System/Libraries
 Provides:       libplist = %{version}
@@ -50,7 +50,7 @@ Obsoletes:      libplist < %{version}
 libplist is a library for handling Apple Binary and XML Property Lists.
 
 %package -n libplist++1
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists
 Group:          System/Libraries
 Provides:       libplist++ = %{version}
@@ -60,7 +60,7 @@ Obsoletes:      libplist++ < %{version}
 libplist is a library for handling Apple Binary and XML Property Lists.
 
 %package -n plutil
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists
 Group:          System/Libraries
 Requires:       libplist1 = %{version}
@@ -72,7 +72,7 @@ This package contains an utility to convert PList files from binary to XML and
 from XML to binary.
 
 %package devel
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists -- Development Files
 Group:          Development/Libraries/C and C++
 Requires:       libplist1 = %{version}
@@ -84,7 +84,7 @@ libplist is a library for handling Apple Binary and XML Property Lists.
 This package contains the development files for C.
 
 %package -n libplist++-devel
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists -- Development Files
 Group:          Development/Libraries/C and C++
 Requires:       libplist++1 = %{version}
@@ -97,7 +97,7 @@ libplist is a library for handling Apple Binary and XML Property Lists.
 This package contains the development files for C++.
 
 %package -n python-plist
-License:        LGPL v2.1 or GPL v2
+License:        LGPL-2.1 or GPL-2.0
 Summary:        Library for handling Apple Binary and XML Property Lists -- Python Bindings
 Group:          Development/Languages/Python
 Requires:       libplist1 = %{version}