diff --git a/Gemfile b/Gemfile
index 86c386794aea4ad8d9b1b8c2641c3488a601b442..47c5f9c82ce2750ba852d7dc380b6c7e7c82da33 100644
--- a/Gemfile
+++ b/Gemfile
@@ -81,7 +81,7 @@ gem 'gpgme', '~> 2.0.19'
 # GitLab fork with several improvements to original library. For full list of changes
 # see https://github.com/intridea/omniauth-ldap/compare/master...gitlabhq:master
 gem 'gitlab_omniauth-ldap', '~> 2.1.1', require: 'omniauth-ldap'
-gem 'net-ldap'
+gem 'net-ldap', '~> 0.16.3'
 
 # API
 # Locked at Grape v1.4.0 until https://github.com/ruby-grape/grape/pull/2088 is merged
diff --git a/Gemfile.lock b/Gemfile.lock
index 539657482c2ecca3327e1ff81cb4a3b10080e468..5d80473eb76846d6a39e8cc36b75ede299abe659 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -733,7 +733,7 @@ GEM
     nakayoshi_fork (0.0.4)
     nap (1.1.0)
     nenv (0.3.0)
-    net-ldap (0.16.2)
+    net-ldap (0.16.3)
     net-ntp (2.1.3)
     net-ssh (6.0.0)
     netrc (0.11.0)
@@ -1423,7 +1423,7 @@ DEPENDENCIES
   minitest (~> 5.11.0)
   multi_json (~> 1.14.1)
   nakayoshi_fork (~> 0.0.4)
-  net-ldap
+  net-ldap (~> 0.16.3)
   net-ntp
   net-ssh (~> 6.0)
   nokogiri (~> 1.10.9)
diff --git a/changelogs/unreleased/id-bump-net-ldap.yml b/changelogs/unreleased/id-bump-net-ldap.yml
new file mode 100644
index 0000000000000000000000000000000000000000..556b20c430997ce5e91865ffc1a06c6b8d66a37d
--- /dev/null
+++ b/changelogs/unreleased/id-bump-net-ldap.yml
@@ -0,0 +1,5 @@
+---
+title: Update net-ldap gem version
+merge_request: 50888
+author:
+type: other