diff --git a/Gemfile.lock b/Gemfile.lock
index f6feeb5..cb82a89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     octokit (10.0.0)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
-    parallel (1.27.0)
+    parallel (1.28.0)
     parser (3.3.11.1)
       ast (~> 2.4.1)
       racc
@@ -185,7 +185,7 @@ CHECKSUMS
   minitest (6.0.3) sha256=88ac8a1de36c00692420e7cb3cc11a0773bbcb126aee1c249f320160a7d11411
   net-http (0.9.1) sha256=25ba0b67c63e89df626ed8fac771d0ad24ad151a858af2cc8e6a716ca4336996
   octokit (10.0.0) sha256=82e99a539b7637b7e905e6d277bb0c1a4bed56735935cc33db6da7eae49a24e8
-  parallel (1.27.0) sha256=4ac151e1806b755fb4e2dc2332cbf0e54f2e24ba821ff2d3dcf86bf6dc4ae130
+  parallel (1.28.0) sha256=33e6de1484baf2524792d178b0913fc8eb94c628d6cfe45599ad4458c638c970
   parser (3.3.11.1) sha256=d17ace7aabe3e72c3cc94043714be27cc6f852f104d81aa284c2281aecc65d54
   prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85
   public_suffix (7.0.5) sha256=1a8bb08f1bbea19228d3bed6e5ed908d1cb4f7c2726d18bd9cadf60bc676f623