diff --git a/Gemfile.lock b/Gemfile.lock
index ba10434..94d7d30 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,8 +71,14 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  jekyll (~> 3.9.0)
+  jekyll-feed (~> 0.15.1)
+  jekyll-seo-tag (~> 2.7.1)
   jekyll-tidy
   no-style-please
+  tzinfo (~> 1.2)
+  tzinfo-data
+  wdm (~> 0.1.1)
 
 BUNDLED WITH
    2.2.4