diff --git a/Gemfile.lock b/Gemfile.lock
index f0f7809..41f8588 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -199,8 +199,6 @@ GEM
       jekyll (~> 3.3)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jekyll-youtube (1.0.0)
-      jekyll
     jemoji (0.10.2)
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
@@ -253,7 +251,7 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.5.0)
 
@@ -265,7 +263,6 @@ DEPENDENCIES
   jekyll (~> 3.7.0)
   jekyll-feed (~> 0.6)
   jekyll-picture-tag!
-  jekyll-youtube
   jemoji
 
 RUBY VERSION