diff --git a/pkgs/applications/misc/jekyll/Gemfile b/pkgs/applications/misc/jekyll/Gemfile
index 0a5688503cac..460495515a5c 100644
--- a/pkgs/applications/misc/jekyll/Gemfile
+++ b/pkgs/applications/misc/jekyll/Gemfile
@@ -3,3 +3,4 @@ source "https://rubygems.org"
 gem 'jekyll'
 gem 'rdiscount'
 gem 'RedCloth'
+gem 'rouge'
diff --git a/pkgs/applications/misc/jekyll/Gemfile.lock b/pkgs/applications/misc/jekyll/Gemfile.lock
index ec81bc703c68..234b567711e8 100644
--- a/pkgs/applications/misc/jekyll/Gemfile.lock
+++ b/pkgs/applications/misc/jekyll/Gemfile.lock
@@ -1,6 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    rouge (1.10.1)
     RedCloth (4.2.9)
     blankslate (2.1.2.4)
     celluloid (0.16.0)
@@ -71,6 +72,7 @@ PLATFORMS
 DEPENDENCIES
   RedCloth
   jekyll
+  rouge
   rdiscount
 
 BUNDLED WITH
diff --git a/pkgs/applications/misc/jekyll/gemset.nix b/pkgs/applications/misc/jekyll/gemset.nix
index f6ad34fcad98..99dc7b31eab2 100644
--- a/pkgs/applications/misc/jekyll/gemset.nix
+++ b/pkgs/applications/misc/jekyll/gemset.nix
@@ -6,6 +6,13 @@
       sha256 = "06pahxyrckhgb7alsxwhhlx1ib2xsx33793finj01jk8i054bkxl";
     };
   };
+  "rouge" = {
+    version = "1.10.1";
+    source = {
+      type = "gem";
+      sha256 = "0wp8as9ypdy18kdj9h70kny1rdfq71mr8cj2bpahr9vxjjvjasqz";
+    };
+  };
   "blankslate" = {
     version = "2.1.2.4";
     source = {
@@ -95,6 +102,7 @@
     dependencies = [
       "classifier-reborn"
       "colorator"
+      "rogue"
       "jekyll-coffeescript"
       "jekyll-gist"
       "jekyll-paginate"
@@ -286,4 +294,4 @@
       sha256 = "0zvvb7i1bl98k3zkdrnx9vasq0rp2cyy5n7p9804dqs4fz9xh9vf";
     };
   };
-}
\ No newline at end of file
+}