diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 57449392bd..99af3365b4 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -8,7 +8,7 @@
 
 ISSN = Hash.new { |h,k| h[k] = [] }
 TITLES = Hash.new { |h,k| h[k] = [] }
-FILTER = YAML.load_file(File.join(File.dirname(__FILE__), 'filters.yaml'))
+FILTER = YAML.safe_load(File.join(File.dirname(__FILE__), 'filters.yaml'))
 
 EXTRA_FILES = Dir[File.join(STYLE_ROOT, '**', '*')].reject do |file|
   basedir = file.sub(STYLE_ROOT + "/","").partition("/")[0]