diff --git a/changelogs/unreleased/app-logger-17.yml b/changelogs/unreleased/app-logger-17.yml
new file mode 100644
index 0000000000000000000000000000000000000000..173521646065776623ce41ce6a4a590dc58bd959
--- /dev/null
+++ b/changelogs/unreleased/app-logger-17.yml
@@ -0,0 +1,5 @@
+---
+title: Use GitLab AppLogger
+merge_request: 41261
+author: Rajendra Kadam
+type: other
diff --git a/lib/gitlab/auth/ldap/config.rb b/lib/gitlab/auth/ldap/config.rb
index 7677189eb9f5e32777ad640ff574f72a2533c4eb..88cc840c395f16cc2d7ee4b65bcbd7e536e0e865 100644
--- a/lib/gitlab/auth/ldap/config.rb
+++ b/lib/gitlab/auth/ldap/config.rb
@@ -248,7 +248,7 @@ module Gitlab
             begin
               custom_options[:cert] = OpenSSL::X509::Certificate.new(custom_options[:cert])
             rescue OpenSSL::X509::CertificateError => e
-              Rails.logger.error "LDAP TLS Options 'cert' is invalid for provider #{provider}: #{e.message}" # rubocop:disable Gitlab/RailsLogger
+              Gitlab::AppLogger.error "LDAP TLS Options 'cert' is invalid for provider #{provider}: #{e.message}"
             end
           end
 
@@ -256,7 +256,7 @@ module Gitlab
             begin
               custom_options[:key] = OpenSSL::PKey.read(custom_options[:key])
             rescue OpenSSL::PKey::PKeyError => e
-              Rails.logger.error "LDAP TLS Options 'key' is invalid for provider #{provider}: #{e.message}" # rubocop:disable Gitlab/RailsLogger
+              Gitlab::AppLogger.error "LDAP TLS Options 'key' is invalid for provider #{provider}: #{e.message}"
             end
           end
 
diff --git a/lib/gitlab/repository_cache_adapter.rb b/lib/gitlab/repository_cache_adapter.rb
index f6a5c6ed7542217a721c3b2a6c7c1c647608ee2d..eb7c9bccf96c94a288392e326dfc53e28b0b2fe9 100644
--- a/lib/gitlab/repository_cache_adapter.rb
+++ b/lib/gitlab/repository_cache_adapter.rb
@@ -218,7 +218,7 @@ module Gitlab
     def expire_method_caches(methods)
       methods.each do |name|
         unless cached_methods.include?(name.to_sym)
-          Rails.logger.error "Requested to expire non-existent method '#{name}' for Repository" # rubocop:disable Gitlab/RailsLogger
+          Gitlab::AppLogger.error "Requested to expire non-existent method '#{name}' for Repository"
           next
         end
 
diff --git a/spec/lib/gitlab/auth/ldap/config_spec.rb b/spec/lib/gitlab/auth/ldap/config_spec.rb
index 4287596af8f30c0d9c6656266e6aead4ee87bbcd..e4c87a54365459099c3c1fbc17f60b2f2f800408 100644
--- a/spec/lib/gitlab/auth/ldap/config_spec.rb
+++ b/spec/lib/gitlab/auth/ldap/config_spec.rb
@@ -168,7 +168,7 @@ AtlErSqafbECNDSwS5BX8yDpu5yRBJ4xegO/rNlmb8ICRYkuJapD1xXicFOsmfUK
     end
 
     it 'logs an error when an invalid key or cert are configured' do
-      allow(Rails.logger).to receive(:error)
+      allow(Gitlab::AppLogger).to receive(:error)
       stub_ldap_config(
         options: {
           'host'                => 'ldap.example.com',
@@ -183,7 +183,7 @@ AtlErSqafbECNDSwS5BX8yDpu5yRBJ4xegO/rNlmb8ICRYkuJapD1xXicFOsmfUK
 
       config.adapter_options
 
-      expect(Rails.logger).to have_received(:error).with(/LDAP TLS Options/).twice
+      expect(Gitlab::AppLogger).to have_received(:error).with(/LDAP TLS Options/).twice
     end
 
     context 'when verify_certificates is enabled' do
diff --git a/spec/lib/gitlab/repository_cache_adapter_spec.rb b/spec/lib/gitlab/repository_cache_adapter_spec.rb
index c9ad79234d33e1aaa9a5b4f29bf7103f1553854d..4c57665b41f94e913987dd2aa770c5d812e6378e 100644
--- a/spec/lib/gitlab/repository_cache_adapter_spec.rb
+++ b/spec/lib/gitlab/repository_cache_adapter_spec.rb
@@ -302,7 +302,7 @@ RSpec.describe Gitlab::RepositoryCacheAdapter do
 
     it 'does not expire caches for non-existent methods' do
       expect(cache).not_to receive(:expire).with(:nonexistent)
-      expect(Rails.logger).to(
+      expect(Gitlab::AppLogger).to(
         receive(:error).with("Requested to expire non-existent method 'nonexistent' for Repository"))
 
       repository.expire_method_caches(%i(nonexistent))