diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index d24cac78fab..5080203d515 100644
--- a/pkgs/tools/misc/html-proofer/Gemfile.lock
+++ b/pkgs/tools/misc/html-proofer/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     ethon (0.12.0)
       ffi (>= 1.3.0)
     ffi (1.11.1)
-    html-proofer (3.11.0)
+    html-proofer (3.11.1)
       activesupport (>= 4.2, < 6.0)
       addressable (~> 2.3)
       mercenary (~> 0.3.2)
@@ -29,7 +29,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
-    public_suffix (3.1.0)
+    public_suffix (3.1.1)
     rainbow (3.0.0)
     thread_safe (0.3.6)
     typhoeus (1.3.1)
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 1d1991dcd92..4777d5d53e6 100644
--- a/pkgs/tools/misc/html-proofer/gemset.nix
+++ b/pkgs/tools/misc/html-proofer/gemset.nix
@@ -1,8 +1,6 @@
 {
   activesupport = {
     dependencies = ["concurrent-ruby" "i18n" "minitest" "tzinfo"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "110vp4frgkw3mpzlmshg2f2ig09cknls2w68ym1r1s39d01v0mi8";
@@ -12,8 +10,6 @@
   };
   addressable = {
     dependencies = ["public_suffix"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0bcm2hchn897xjhqj9zzsxf3n9xhddymj4lsclz508f4vw3av46l";
@@ -22,8 +18,6 @@
     version = "2.6.0";
   };
   concurrent-ruby = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "1x07r23s7836cpp5z9yrlbpljcxpax14yw4fy4bnp6crhr6x24an";
@@ -33,8 +27,6 @@
   };
   ethon = {
     dependencies = ["ffi"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0gggrgkcq839mamx7a8jbnp2h7x2ykfn34ixwskwb0lzx2ak17g9";
@@ -43,8 +35,6 @@
     version = "0.12.0";
   };
   ffi = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "06mvxpjply8qh4j3fj9wh08kdzwkbnvsiysh0vrhlk5cwxzjmblh";
@@ -54,19 +44,15 @@
   };
   html-proofer = {
     dependencies = ["activesupport" "addressable" "mercenary" "nokogiri" "parallel" "rainbow" "typhoeus" "yell"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1ywgnx7g7fv9f0hbm7xrv55qndvhgvbsp247zyrcg8mfgwxcbd66";
+      sha256 = "0kpcz7p0yjr1y9fs8gila2bkgb8y6qkyqv5a8yymw0hkvddnqig4";
       type = "gem";
     };
-    version = "3.11.0";
+    version = "3.11.1";
   };
   i18n = {
     dependencies = ["concurrent-ruby"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "1hfxnlyr618s25xpafw9mypa82qppjccbh292c4l3bj36az7f6wl";
@@ -75,8 +61,6 @@
     version = "1.6.0";
   };
   mercenary = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "10la0xw82dh5mqab8bl0dk21zld63cqxb1g16fk8cb39ylc4n21a";
@@ -85,8 +69,6 @@
     version = "0.3.6";
   };
   mini_portile2 = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "15zplpfw3knqifj9bpf604rb3wc1vhq6363pd6lvhayng8wql5vy";
@@ -95,8 +77,6 @@
     version = "2.4.0";
   };
   minitest = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0icglrhghgwdlnzzp4jf76b0mbc71s80njn5afyfjn4wqji8mqbq";
@@ -106,8 +86,6 @@
   };
   nokogiri = {
     dependencies = ["mini_portile2"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "02bjydih0j515szfv9mls195cvpyidh6ixm7dwbl3s2sbaxxk5s4";
@@ -116,8 +94,6 @@
     version = "1.10.3";
   };
   parallel = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "1x1gzgjrdlkm1aw0hfpyphsxcx90qgs3y4gmp9km3dvf4hc4qm8r";
@@ -126,18 +102,14 @@
     version = "1.17.0";
   };
   public_suffix = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1c7c5xxkx91hwj4572hbnyvxmydb90q69wlpr2l0dxrmwx2p365l";
+      sha256 = "0g9ds2ffzljl6jjmkjffwxc1z6lh5nkqqmhhkxjk71q5ggv0rkpm";
       type = "gem";
     };
-    version = "3.1.0";
+    version = "3.1.1";
   };
   rainbow = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0bb2fpjspydr6x0s8pn1pqkzmxszvkfapv0p4627mywl7ky4zkhk";
@@ -146,8 +118,6 @@
     version = "3.0.0";
   };
   thread_safe = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0nmhcgq6cgz44srylra07bmaw99f5271l0dpsvl5f75m44l0gmwy";
@@ -157,8 +127,6 @@
   };
   typhoeus = {
     dependencies = ["ethon"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "0cni8b1idcp0dk8kybmxydadhfpaj3lbs99w5kjibv8bsmip2zi5";
@@ -168,8 +136,6 @@
   };
   tzinfo = {
     dependencies = ["thread_safe"];
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "1fjx9j327xpkkdlxwmkl3a8wqj7i4l4jwlrv3z13mg95z9wl253z";
@@ -178,8 +144,6 @@
     version = "1.2.5";
   };
   yell = {
-    groups = ["default"];
-    platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
       sha256 = "1394pf8wsv4wx2lf1d9iqqx6lcww9bgmgh9sms3dbga804cns0n8";