diff --git a/Gemfile b/Gemfile
index 224eca37b7375606509e51be10dcbd93bf2c8439..34909b924cab8df8016253629b3c1f49910a6670 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ gem "jekyll", "~> 4.0"
 gem "bundler", "> 2.0"
 
 gem "minima", "~> 2.5"
-gem 'jekyll-theme-lcsb-default', '~> 0.4.2'
+gem 'jekyll-theme-lcsb-default', '~> 0.4.5'
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
@@ -45,4 +45,4 @@ gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.1" if Gem.win_platform?
 
-gem 'jekyll-spaceship', "0.6.0"
\ No newline at end of file
+gem 'jekyll-spaceship', "0.6.0"
diff --git a/_config.yml b/_config.yml
index 4819eba1a035b9b5d504d3e6215b0de352fd6182..17509c809b239adaa7f53476a91fde86a7c748f4 100644
--- a/_config.yml
+++ b/_config.yml
@@ -76,6 +76,7 @@ defaults:
       path: ""
     values:
       image: /assets/favicon/apple-touch-icon.png
+      preventCaching: true
 
 # GDPR banner settings
 banner_title: >-