diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index 08689ae8dcf..18dd1ef6f0a 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 (1.11.1)
-    html-proofer (3.13.0)
+    ffi (1.11.2)
+    html-proofer (3.14.0)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogiri (~> 1.10)
@@ -16,9 +16,9 @@ GEM
       yell (~> 2.0)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
-    parallel (1.17.0)
+    parallel (1.19.0)
     public_suffix (4.0.1)
     rainbow (3.0.0)
     typhoeus (1.3.1)
@@ -32,4 +32,4 @@ DEPENDENCIES
   html-proofer
 
 BUNDLED WITH
-   1.17.2
+   1.17.3
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 2d915a48dd9..a1162cba67e 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 = "06mvxpjply8qh4j3fj9wh08kdzwkbnvsiysh0vrhlk5cwxzjmblh";
+      sha256 = "0cbads5da12lb3j0mg2hjrd57s5qkkairxh2y6r9bqyblb5b8xbw";
       type = "gem";
     };
-    version = "1.11.1";
+    version = "1.11.2";
   };
   html-proofer = {
     dependencies = ["addressable" "mercenary" "nokogiri" "parallel" "rainbow" "typhoeus" "yell"];
@@ -37,10 +37,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1a620704y2h4g9ffpl6461ssdx87bn6hjd0y1m370r2p2xddkb9f";
+      sha256 = "1hxv70w9zykv1x3a6y2wj6kyby05s26x3gzhnn0iar0hm0l3v8g7";
       type = "gem";
     };
-    version = "3.13.0";
+    version = "3.14.0";
   };
   mercenary = {
     groups = ["default"];
@@ -68,20 +68,20 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0nmdrqqz1gs0fwkgzxjl4wr554gr8dc1fkrqjc2jpsvwgm41rygv";
+      sha256 = "185g3dwba73jqxjr94bd2zk6fil6n9hmcfnfyzh3p1w47vm296r7";
       type = "gem";
     };
-    version = "1.10.4";
+    version = "1.10.5";
   };
   parallel = {
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1x1gzgjrdlkm1aw0hfpyphsxcx90qgs3y4gmp9km3dvf4hc4qm8r";
+      sha256 = "0bsg06zklvxv1qkpqhiric2m07108rqlmnl4axv5fzpxx9973pfz";
       type = "gem";
     };
-    version = "1.17.0";
+    version = "1.19.0";
   };
   public_suffix = {
     groups = ["default"];