diff --git a/Gemfile.lock b/Gemfile.lock
index 8abfc4d..c1edf32 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,11 +49,12 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.1104)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multipart-post (2.1.1)
     netrc (0.11.0)
-    nokogiri (1.10.8)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -62,6 +63,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
+    racc (1.6.0)
     rake (10.5.0)
     redcarpet (3.5.1)
     rest-client (2.1.0)
@@ -105,7 +107,7 @@ PLATFORMS
 
 DEPENDENCIES
   bundler
-  nokogiri (= 1.10.8)
+  nokogiri (= 1.13.9)
   pry (~> 0.10)
   rake (~> 10.0)
   rspec (~> 3.3)
diff --git a/whedon.gemspec b/whedon.gemspec
index 5758357..0f97f02 100644
--- a/whedon.gemspec
+++ b/whedon.gemspec
@@ -35,5 +35,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rspec", "~> 3.3"
   spec.add_development_dependency "vcr", "~> 6.0"
   spec.add_development_dependency "webmock", "~> 3.11.2"
-  spec.add_development_dependency "nokogiri", "= 1.10.8"
+  spec.add_development_dependency "nokogiri", "= 1.13.9"
 end