diff --git a/Gemfile b/Gemfile
index 090c3b9..0fe28c7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem 'octokit', '~> 4.14.0'
 gem 'rubocop', '~> 0.76.0'
-gem 'net-ldap', '~> 0.16.1'
+gem 'net-ldap', '~> 0.16.2'
 gem 'dotenv', '~> 2.7.5'
 gem 'saklient', '~> 0.0.6'
 gem 'slack-notifier', '~> 2.3.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index a20f012..86a21e4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,7 +9,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     jaro_winkler (1.5.3)
     multipart-post (2.1.1)
-    net-ldap (0.16.1)
+    net-ldap (0.16.2)
     octokit (4.14.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     parallel (1.18.0)
@@ -37,7 +37,7 @@ PLATFORMS
 
 DEPENDENCIES
   dotenv (~> 2.7.5)
-  net-ldap (~> 0.16.1)
+  net-ldap (~> 0.16.2)
   octokit (~> 4.14.0)
   rubocop (~> 0.76.0)
   saklient (~> 0.0.6)