diff --git a/pkgs/tools/misc/html-proofer/Gemfile.lock b/pkgs/tools/misc/html-proofer/Gemfile.lock
index 13c630718b1..ce75c4e7fd8 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 (1.13.1)
-    html-proofer (3.18.2)
+    ffi (1.14.2)
+    html-proofer (3.18.3)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogumbo (~> 2.0)
diff --git a/pkgs/tools/misc/html-proofer/gemset.nix b/pkgs/tools/misc/html-proofer/gemset.nix
index 49f7726fc8b..da26cc347fe 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 = "12lpwaw82bb0rm9f52v1498bpba8aj2l2q359mkwbxsswhpga5af";
+      sha256 = "15hgiy09i8ywjihyzyvjvk42ivi3kmy6dm21s5sgg9j7y3h3zkkx";
       type = "gem";
     };
-    version = "1.13.1";
+    version = "1.14.2";
   };
   html-proofer = {
     dependencies = ["addressable" "mercenary" "nokogumbo" "parallel" "rainbow" "typhoeus" "yell"];
@@ -37,10 +37,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "06vbbm8qdmw4955522zh9wqn2214ajsf70y0vymxgl7dlwjd2pz0";
+      sha256 = "0l0nkk0px6bc4g3xwc1c5fyi0c3n8sgl1zy94vqdzllfmkjvfggc";
       type = "gem";
     };
-    version = "3.18.2";
+    version = "3.18.3";
   };
   mercenary = {
     groups = ["default"];