diff --git a/Gemfile b/Gemfile
index 0acaa105b3de27b6eb551d661d45fabf673df3fc..8cfee77d5a4d4fd4cc46305cab7bfeab4a37cbb2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,7 +15,7 @@ gem "bundler", "> 1.16.1"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minima", "~> 2.5"
 gem 'jekyll-theme-primer', '~> 0.5.3'
-gem 'jekyll-theme-lcsb-default', '~> 0.2.18', :git => "https://git-r3lab.uni.lu/core-services/jekyll-theme-lcsb-default.git", :branch => "master"
+gem 'jekyll-theme-lcsb-default', '~> 0.2.23', :git => "https://git-r3lab.uni.lu/core-services/jekyll-theme-lcsb-default.git", :branch => "master"
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
@@ -33,4 +33,3 @@ 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?
-
diff --git a/_config.yml b/_config.yml
index 8a1dfd6708898d4ea8e2aa38f465e26e9320ffd1..cd43d407955503e5ce6c355690fb5f86960bb73c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -55,6 +55,18 @@ plugins:
   - jekyll-feed
   - jekyll-paginate-v2
 
+# These settings are used to display share link to howto.lcsb.uni.lu
+# The display logic itself is in the template
+share_url: https://howto.lcsb.uni.lu/?
+include_link_index: 3
+defaults:
+  -
+    scope:
+      path: "external/*"
+    values:
+      include_link: true
+
+
 # Exclude from processing. (no need to touch these)
 # The following items will not be processed, by default. Create a custom list
 # to override the default setting.