Gemfile.lock in usps_flags-burgees-0.0.20 vs Gemfile.lock in usps_flags-burgees-0.0.21

@@ -1,10 +1,10 @@
 PATH
   remote: .
   specs:
-    usps_flags-burgees (0.0.20)
-      usps_flags (~> 0.3, >= 0.3.20)
+    usps_flags-burgees (0.0.21)
+      usps_flags (~> 0.3, >= 0.3.21)
 
 GEM
   remote: https://rubygems.org/
   specs:
     diff-lcs (1.3)
@@ -30,10 +30,10 @@
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    usps_flags (0.3.20)
+    usps_flags (0.3.21)
       file_utils (~> 1.1, >= 1.1.2)
       mini_magick (~> 4.8, >= 4.8.0)
       rubyzip (~> 1.2, >= 1.2.1)
 
 PLATFORMS