diff --git a/Gemfile b/Gemfile
index 250f884d..82c8de28 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,7 +14,7 @@ gem 'fluent-plugin-systemd', '1.1.1'
 gem 'fluent-plugin-record-modifier', '2.2.1'
 gem 'fluent-plugin-rewrite-tag-filter', '2.4.0'
 gem 'fluent-plugin-dedot_filter', '1.0.0'
-gem 'oj', '3.16.15'
+gem 'oj', '3.16.16'
 gem 'fluent-plugin-record-modifier', '2.2.1'
 gem 'fluent-plugin-rewrite-tag-filter', '2.4.0'
 gem 'fluent-plugin-dedot_filter', '1.0.0'