diff --git a/Gemfile.lock b/Gemfile.lock
index 797b3de..6ddf15e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -130,6 +130,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.6.1)
     matrix (0.4.2)
     mercenary (0.4.0)
     mini_portile2 (2.8.7)
@@ -154,6 +155,7 @@ GEM
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
+    ostruct (0.6.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     progressbar (1.13.0)
@@ -224,7 +226,9 @@ DEPENDENCIES
   jekyll-titles-from-headings
   jekyll-toc
   jemoji
+  logger
   minimal-mistakes-jekyll (~> 4.26.1)
+  ostruct
   tzinfo (>= 1, < 3)
   tzinfo-data
   wdm (~> 0.1.1)