diff --git a/pkgs/applications/misc/jekyll/basic/Gemfile.lock b/pkgs/applications/misc/jekyll/basic/Gemfile.lock
index 19cc2a7faef7..5fc41261bbf7 100644
--- a/pkgs/applications/misc/jekyll/basic/Gemfile.lock
+++ b/pkgs/applications/misc/jekyll/basic/Gemfile.lock
@@ -101,4 +101,4 @@ DEPENDENCIES
   jemoji
 
 BUNDLED WITH
-   2.3.25
+   2.3.9
diff --git a/pkgs/applications/misc/jekyll/full/Gemfile b/pkgs/applications/misc/jekyll/full/Gemfile
index 2e72350f7e5e..5e7e2d9032a3 100644
--- a/pkgs/applications/misc/jekyll/full/Gemfile
+++ b/pkgs/applications/misc/jekyll/full/Gemfile
@@ -11,6 +11,7 @@ gem "jemoji"
 # Optional dependencies:
 gem "jekyll-coffeescript"
 #gem "jekyll-docs"
+gem "jekyll-favicon"
 gem "jekyll-feed", "~> 0.9"
 gem "jekyll-gist"
 gem "jekyll-paginate"
diff --git a/pkgs/applications/misc/jekyll/full/Gemfile.lock b/pkgs/applications/misc/jekyll/full/Gemfile.lock
index 8d9fbb696d7e..6b1cc609e080 100644
--- a/pkgs/applications/misc/jekyll/full/Gemfile.lock
+++ b/pkgs/applications/misc/jekyll/full/Gemfile.lock
@@ -58,6 +58,10 @@ GEM
     jekyll-coffeescript (2.0.0)
       coffee-script (~> 2.2)
       coffee-script-source (~> 1.12)
+    jekyll-favicon (1.1.0)
+      jekyll (>= 3.0, < 5.0)
+      mini_magick (~> 4.11)
+      rexml (~> 3.2, >= 3.2.5)
     jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
@@ -100,6 +104,7 @@ GEM
     mime-types (3.4.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
+    mini_magick (4.11.0)
     mini_portile2 (2.8.0)
     minitest (5.16.3)
     nokogiri (1.13.9)
@@ -146,6 +151,7 @@ DEPENDENCIES
   jekyll
   jekyll-avatar
   jekyll-coffeescript
+  jekyll-favicon
   jekyll-feed (~> 0.9)
   jekyll-gist
   jekyll-mentions
@@ -163,4 +169,4 @@ DEPENDENCIES
   yajl-ruby (~> 1.4)
 
 BUNDLED WITH
-   2.3.25
+   2.3.9
diff --git a/pkgs/applications/misc/jekyll/full/gemset.nix b/pkgs/applications/misc/jekyll/full/gemset.nix
index 334750398ff7..3607b507cd9d 100644
--- a/pkgs/applications/misc/jekyll/full/gemset.nix
+++ b/pkgs/applications/misc/jekyll/full/gemset.nix
@@ -264,6 +264,17 @@
     };
     version = "2.0.0";
   };
+  jekyll-favicon = {
+    dependencies = ["jekyll" "mini_magick" "rexml"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0dyksm4i11n0qshd7wh6dvk8d0fc70dd32ir2dxs6igxq0gd6hi1";
+      type = "gem";
+    };
+    version = "1.1.0";
+  };
   jekyll-feed = {
     dependencies = ["jekyll"];
     groups = ["default"];
@@ -526,6 +537,16 @@
     };
     version = "3.2022.0105";
   };
+  mini_magick = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1aj604x11d9pksbljh0l38f70b558rhdgji1s9i763hiagvvx2hs";
+      type = "gem";
+    };
+    version = "4.11.0";
+  };
   mini_portile2 = {
     groups = ["default"];
     platforms = [];