diff --git a/Gemfile.lock b/Gemfile.lock
index 9bf20efc..8c8d131e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ PATH
       json (~> 2.0)
       json-schema (~> 2.7)
       kramdown (>= 1.13, < 3.0)
-      nokogiri (~> 1.7)
+      nokogiri (~> 1.15)
       thor (~> 0.19)
       uuidtools (~> 2.1)
 
@@ -51,11 +51,13 @@ GEM
     loofah (2.21.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mini_portile2 (2.4.0)
     minitest (5.20.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.15.5-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.15.5-x86_64-linux)
+      racc (~> 1.4)
     public_suffix (4.0.7)
+    racc (1.7.3)
     rails-dom-testing (2.1.1)
       activesupport (>= 5.0.0)
       minitest
diff --git a/adiwg-mdtranslator.gemspec b/adiwg-mdtranslator.gemspec
index 3f9812a2..88a26959 100644
--- a/adiwg-mdtranslator.gemspec
+++ b/adiwg-mdtranslator.gemspec
@@ -39,6 +39,6 @@ Gem::Specification.new do |spec|
    spec.add_runtime_dependency "jbuilder", "~> 2.5"
    spec.add_runtime_dependency "kramdown", ">= 1.13", "< 3.0"
    spec.add_runtime_dependency "coderay", "~> 1.1"
-   spec.add_runtime_dependency "nokogiri", "~> 1.7"
+   spec.add_runtime_dependency "nokogiri", "~> 1.15"
 
 end
\ No newline at end of file