bin/all_images in utils-0.24.1 vs bin/all_images in utils-0.24.2

@@ -36,10 +36,10 @@
         WORKDIR /work
 
         #{dockerfile}
       end
     end
-    sh "docker build -t '#{tag}' ."
+    sh "docker build --pull -t '#{tag}' ."
   end
   tag
 ensure
   rm_rf File.join(Dir.tmpdir, 'build')
 end