diff --git a/Gemfile.lock b/Gemfile.lock
index ac5d07c..f51be6c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.1)
+    activesupport (6.0.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -13,13 +13,14 @@ GEM
       latex-decode (~> 0.0)
     citeproc (1.0.10)
       namae (~> 1.0)
-    citeproc-ruby (1.1.13)
+    citeproc-ruby (1.1.14)
       citeproc (~> 1.0, >= 1.0.9)
-      csl (~> 1.5)
+      csl (~> 1.6)
     colorator (1.1.0)
     concurrent-ruby (1.1.6)
-    csl (1.5.2)
+    csl (1.6.0)
       namae (~> 1.0)
+      rexml
     csl-styles (1.0.1.10)
       csl (~> 1.0)
     em-websocket (0.5.1)
@@ -27,18 +28,18 @@ GEM
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    faraday (0.17.3)
+    faraday (0.17.5)
       multipart-post (>= 1.2, < 3)
     ffi (1.12.2)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    html-pipeline (2.12.3)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.6.0)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
-    jekyll (4.0.0)
+    jekyll (4.0.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -53,7 +54,7 @@ GEM
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 1.8)
-    jekyll-feed (0.13.0)
+    jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
@@ -70,7 +71,7 @@ GEM
       rubyzip (>= 1.3.0, < 3.0)
     jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-scholar (7.0.0)
+    jekyll-scholar (7.1.1)
       bibtex-ruby (~> 6.0)
       citeproc-ruby (~> 1.0)
       csl-styles (~> 1.0)
@@ -89,7 +90,7 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    katex (0.6.0)
+    katex (0.9.0)
       execjs (~> 2.7)
     kramdown (2.3.1)
       rexml
@@ -100,7 +101,7 @@ GEM
       kramdown (~> 2.0)
     latex-decode (0.3.2)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
@@ -109,10 +110,10 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.14.1)
+    minitest (5.16.3)
     multipart-post (2.1.1)
     namae (1.1.1)
-    nokogiri (1.13.4)
+    nokogiri (1.13.9)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octicons (9.5.0)
@@ -139,13 +140,13 @@ GEM
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
     unicode-display_width (1.6.1)
     wdm (0.1.1)
-    zeitwerk (2.3.0)
+    zeitwerk (2.6.1)
 
 PLATFORMS
   ruby