diff --git a/Gemfile b/Gemfile
index 41e24fe..d2ceafe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem "jekyll", "~> 4.0.0"
 
 # This is CentOS default website theme for new Jekyll based web sites. You may
 # change this to anything you like.
-gem "jekyll-theme-centos"
+gem "jekyll-theme-centos", "0.9.20220201124228"
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.  gem
diff --git a/Gemfile.lock b/Gemfile.lock
index cb78cc7..81aa8e6 100755
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,14 +15,14 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.15.4)
+    ffi (1.15.5)
     filesize (0.2.0)
     forwardable-extended (2.6.0)
-    htmlbeautifier (1.4.0)
+    htmlbeautifier (1.4.1)
     htmlcompressor (0.4.0)
     http_parser.rb (0.8.0)
     httpclient (2.8.3)
-    i18n (1.8.11)
+    i18n (1.9.1)
       concurrent-ruby (~> 1.0)
     jekyll (4.0.1)
       addressable (~> 2.4)
@@ -48,13 +48,13 @@ GEM
       nokogiri (~> 1.6)
       progressbar (~> 1.9)
       verbal_expressions (~> 0.1.5)
-    jekyll-feed (0.15.1)
+    jekyll-feed (0.16.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-paginate-v2 (3.0.0)
       jekyll (>= 3.0, < 5.0)
     jekyll-sass-converter (2.1.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-theme-centos (0.9.20211202171349)
+    jekyll-theme-centos (0.9.20220201124228)
       jekyll (~> 4.0)
     jekyll-tidy (0.2.2)
       htmlbeautifier
@@ -71,13 +71,13 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.7.0)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.6.1)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
+    mini_portile2 (2.7.1)
+    nokogiri (1.13.1)
+      mini_portile2 (~> 2.7.0)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -88,7 +88,7 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.26.1)
+    rouge (3.27.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -111,7 +111,7 @@ DEPENDENCIES
   jekyll-algolia
   jekyll-feed
   jekyll-paginate-v2
-  jekyll-theme-centos
+  jekyll-theme-centos (= 0.9.20220201124228)
   jekyll-tidy
   jekyll-toc
   tzinfo (~> 1.2)