diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index ec69f523f3b8..cab69d41f936 100644
--- a/pkgs/tools/misc/html-proofer/Gemfile.lock
+++ b/pkgs/tools/misc/html-proofer/Gemfile.lock
@@ -5,8 +5,8 @@ GEM
       public_suffix (>= 2.0.2, < 5.0)
     ethon (0.12.0)
       ffi (>= 1.3.0)
-    ffi (1.11.3)
-    html-proofer (3.15.0)
+    ffi (1.12.1)
+    html-proofer (3.15.1)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)
@@ -14,18 +14,18 @@ GEM
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
-    mercenary (0.3.6)
+    mercenary (0.4.0)
     mini_portile2 (2.4.0)
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
     parallel (1.19.1)
-    public_suffix (4.0.1)
+    public_suffix (4.0.3)
     rainbow (3.0.0)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    yell (2.2.0)
+    yell (2.2.1)
 
 PLATFORMS
   ruby
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 1f561f529763..fbf65a8a0c03 100644
--- a/pkgs/tools/misc/html-proofer/gemset.nix
+++ b/pkgs/tools/misc/html-proofer/gemset.nix
@@ -26,10 +26,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "10ay35dm0lkcqprsiya6q2kwvyid884102ryipr4vrk790yfp8kd";
+      sha256 = "0i2vxj3ryvih5y06mgsa19dwy8fpyx58byh5szp7m6i702p78rni";
       type = "gem";
     };
-    version = "1.11.3";
+    version = "1.12.1";
   };
   html-proofer = {
     dependencies = ["addressable" "mercenary" "nokogumbo" "parallel" "rainbow" "typhoeus" "yell"];
@@ -37,20 +37,20 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0nmwxmn0dxgs53g1cqn251dzmjrklw14cpa6z6wz7cdwvjq47500";
+      sha256 = "0krd80ga7qcms469l55jbm711a7ph2lmyn88l929nhbxc7sgm81g";
       type = "gem";
     };
-    version = "3.15.0";
+    version = "3.15.1";
   };
   mercenary = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "10la0xw82dh5mqab8bl0dk21zld63cqxb1g16fk8cb39ylc4n21a";
+      sha256 = "0f2i827w4lmsizrxixsrv2ssa3gk1b7lmqh8brk8ijmdb551wnmj";
       type = "gem";
     };
-    version = "0.3.6";
+    version = "0.4.0";
   };
   mini_portile2 = {
     groups = ["default"];
@@ -99,10 +99,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0xnfv2j2bqgdpg2yq9i2rxby0w2sc9h5iyjkpaas2xknwrgmhdb0";
+      sha256 = "1c6kq6s13idl2036b5lch8r7390f8w82cal8hcp4ml76fm2vdac7";
       type = "gem";
     };
-    version = "4.0.1";
+    version = "4.0.3";
   };
   rainbow = {
     groups = ["default"];
@@ -130,9 +130,9 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1394pf8wsv4wx2lf1d9iqqx6lcww9bgmgh9sms3dbga804cns0n8";
+      sha256 = "1r2kygdh193qdbjjwhfghzl9czj4jr9xrw3gqyg5hmvmn7lygjwm";
       type = "gem";
     };
-    version = "2.2.0";
+    version = "2.2.1";
   };
 }
\ No newline at end of file