diff --git a/Gemfile b/Gemfile
index c72185ea1..441e46f5c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -59,7 +59,7 @@ gem "liquid", "~> 4.0" # A secure, non-evaling end user template engine with aes
 gem "mini_racer", "~> 0.3.1" # Minimal embedded v8
 gem "nokogiri", "~> 1.11" # HTML, XML, SAX, and Reader parser
 gem "octokit", "~> 4.20" # Simple wrapper for the GitHub API
-gem "oj", "~> 3.10" # JSON parser and object serializer
+gem "oj", "~> 3.11" # JSON parser and object serializer
 gem "omniauth", "~> 1.9" # A generalized Rack framework for multiple-provider authentication
 gem "omniauth-apple", "~> 1.0" # OmniAuth strategy for Sign In with Apple
 gem "omniauth-facebook", "~> 8.0" # OmniAuth strategy for Facebook
diff --git a/Gemfile.lock b/Gemfile.lock
index 0d69d022a..61945445e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -485,7 +485,7 @@ GEM
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    oj (3.10.18)
+    oj (3.11.0)
     omniauth (1.9.1)
       hashie (>= 3.4.6)
       rack (>= 1.6.2, < 3)
@@ -911,7 +911,7 @@ DEPENDENCIES
   nakayoshi_fork (~> 0.0.4)
   nokogiri (~> 1.11)
   octokit (~> 4.20)
-  oj (~> 3.10)
+  oj (~> 3.11)
   omniauth (~> 1.9)
   omniauth-apple (~> 1.0)
   omniauth-facebook (~> 8.0)
diff --git a/vendor/cache/oj-3.10.18.gem b/vendor/cache/oj-3.10.18.gem
deleted file mode 100644
index 660e34e11..000000000
Binary files a/vendor/cache/oj-3.10.18.gem and /dev/null differ
diff --git a/vendor/cache/oj-3.11.0.gem b/vendor/cache/oj-3.11.0.gem
new file mode 100644
index 000000000..033120cda
Binary files /dev/null and b/vendor/cache/oj-3.11.0.gem differ