diff --git a/pkgs/servers/http/showoff/Gemfile b/pkgs/servers/http/showoff/Gemfile
index cfd295096bc1..f25b166e154d 100644
--- a/pkgs/servers/http/showoff/Gemfile
+++ b/pkgs/servers/http/showoff/Gemfile
@@ -1,2 +1,6 @@
 source 'https://rubygems.org'
 gem 'showoff'
+
+gem "rexml", "~> 3.4"
+
+gem "pdfkit", "~> 0.8.7"
diff --git a/pkgs/servers/http/showoff/Gemfile.lock b/pkgs/servers/http/showoff/Gemfile.lock
index 69111fa16637..d38babcc650a 100644
--- a/pkgs/servers/http/showoff/Gemfile.lock
+++ b/pkgs/servers/http/showoff/Gemfile.lock
@@ -20,31 +20,16 @@ GEM
       concurrent-ruby (~> 1.0)
     iso-639 (0.3.8)
       csv
-    json (2.10.1)
+    json (2.10.2)
     mini_portile2 (2.8.8)
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.18.3)
+    nokogiri (1.18.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.3-aarch64-linux-gnu)
-      racc (~> 1.4)
-    nokogiri (1.18.3-aarch64-linux-musl)
-      racc (~> 1.4)
-    nokogiri (1.18.3-arm-linux-gnu)
-      racc (~> 1.4)
-    nokogiri (1.18.3-arm-linux-musl)
-      racc (~> 1.4)
-    nokogiri (1.18.3-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-gnu)
-      racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-musl)
-      racc (~> 1.4)
     ostruct (0.6.1)
     parslet (2.0.0)
+    pdfkit (0.8.7.3)
     public_suffix (6.0.1)
     racc (1.8.1)
     rack (2.2.13)
@@ -53,6 +38,7 @@ GEM
     rack-protection (2.2.4)
       rack
     redcarpet (3.6.1)
+    rexml (3.4.1)
     ruby-dbus (0.14.1)
     ruby2_keywords (0.0.5)
     showoff (0.20.4)
@@ -86,17 +72,11 @@ GEM
     tilt (2.6.0)
 
 PLATFORMS
-  aarch64-linux-gnu
-  aarch64-linux-musl
-  arm-linux-gnu
-  arm-linux-musl
-  arm64-darwin
   ruby
-  x86_64-darwin
-  x86_64-linux-gnu
-  x86_64-linux-musl
 
 DEPENDENCIES
+  pdfkit (~> 0.8.7)
+  rexml (~> 3.4)
   showoff
 
 BUNDLED WITH
diff --git a/pkgs/servers/http/showoff/gemset.nix b/pkgs/servers/http/showoff/gemset.nix
index ded3537faf33..c3836a6716a1 100644
--- a/pkgs/servers/http/showoff/gemset.nix
+++ b/pkgs/servers/http/showoff/gemset.nix
@@ -55,6 +55,8 @@
       "addressable"
       "eventmachine"
     ];
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "0xkb1rc6dd3y5s7qsp4wqrri3n9gwsbvnwwv6xwgp241jxdpp4iq";
@@ -63,6 +65,8 @@
     version = "0.3.8";
   };
   eventmachine = {
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "0wh9aqb0skz80fhfn66lbpr4f86ya2z5rx6gm5xlfhd05bj1ch4r";
@@ -72,6 +76,8 @@
   };
   fidget = {
     dependencies = [ "ruby-dbus" ];
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "04g2846wjlb8ms5041lv37aqs4jzsziwv58bxg7yzc61pdvi4ksb";
@@ -91,6 +97,8 @@
     version = "2.22.2";
   };
   htmlentities = {
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "1nkklqsn8ir8wizzlakncfv42i32wc0w9hxp00hvdlgjr7376nhj";
@@ -125,10 +133,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1p4l5ycdxfsr8b51gnvlvhq6s21vmx9z4x617003zbqv3bcqmj6x";
+      sha256 = "01lbdaizhkxmrw4y8j3wpvsryvnvzmg0pfs56c52laq2jgdfmq1l";
       type = "gem";
     };
-    version = "2.10.1";
+    version = "2.10.2";
   };
   mini_portile2 = {
     groups = [ "default" ];
@@ -160,10 +168,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "0npx535cs8qc33n0lpbbwl0p9fi3a5bczn6ayqhxvknh9yqw77vb";
+      sha256 = "1p1nl5gqs56wlv2gwzdj0px3dw018ywpkg14a4s23b0qjkdgi9n8";
       type = "gem";
     };
-    version = "1.18.3";
+    version = "1.18.5";
   };
   ostruct = {
     groups = [ "default" ];
@@ -185,6 +193,16 @@
     };
     version = "2.0.0";
   };
+  pdfkit = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "1nmp0csvkh99x1ii6pq29j8424g40lfb7k9ajfkkpzgwygpfk6fd";
+      type = "gem";
+    };
+    version = "0.8.7.3";
+  };
   public_suffix = {
     groups = [ "default" ];
     platforms = [ ];
@@ -247,7 +265,19 @@
     };
     version = "3.6.1";
   };
+  rexml = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "1jmbf6lf7pcyacpb939xjjpn1f84c3nw83dy3p1lwjx0l2ljfif7";
+      type = "gem";
+    };
+    version = "3.4.1";
+  };
   ruby-dbus = {
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "16lsqdwas6ngyyvq51l7lynj5ayis17zm5hpsg5x3m3n6r5k2gv4";
@@ -313,6 +343,8 @@
       "eventmachine"
       "thin"
     ];
+    groups = [ "default" ];
+    platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
       sha256 = "0as52mfw34z3ba6qjab009h2rdn0za0iwrc42kw948hbb8qzcm5m";