diff --git a/.rubocop.yml b/.rubocop.yml
index ccd2a7a06..1ec897b79 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -47,3 +47,6 @@ Style/FormatStringToken:
 
 Style/OpenStructUse:
   Enabled: false
+
+RSpec/MessageChain:
+  Enabled: false
diff --git a/Dockerfile b/Dockerfile
index 1af512726..2861e54c9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM opensuse/leap:15.3
 
 RUN zypper --non-interactive install --no-recommends \
         timezone wget gcc-c++ libffi-devel git-core zlib-devel \
-        libxml2-devel libxslt-devel cron libmariadb-devel mariadb-client \
+        libxml2-devel libxslt-devel cron libmariadb-devel mariadb-client sqlite3-devel \
         vim ruby2.5 ruby2.5-devel ruby2.5-rubygem-bundler SUSEConnect && \
     zypper --non-interactive install -t pattern devel_basis && \
     update-alternatives --install /usr/bin/bundle bundle /usr/bin/bundle.ruby2.5 5 && \
diff --git a/README.md b/README.md
index 697f53540..abf464ccd 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Please view our [guide](docs/installation.md) to assist you in the RMT installat
 
 1. Install the system dependencies:
     ```
-    sudo zypper in libxml2-devel libxslt-devel libmariadb-devel gcc
+    sudo zypper in libxml2-devel libxslt-devel libmariadb-devel sqlite3-devel gcc
     ```
 2. Install the ruby version specified in the `.ruby-version` [file](.ruby-version).
 3. Install and setup the database:
diff --git a/db/schema.rb b/db/schema.rb
index 1f3795dbe..a1db7d82f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2023_08_14_105634) do
+ActiveRecord::Schema.define(version: 2024_01_29_140413) do
 
   create_table "activations", charset: "utf8", force: :cascade do |t|
     t.bigint "service_id", null: false
diff --git a/lib/rmt/lockfile.rb b/lib/rmt/lockfile.rb
index 4fb6bf868..9b1242aee 100644
--- a/lib/rmt/lockfile.rb
+++ b/lib/rmt/lockfile.rb
@@ -3,7 +3,10 @@ class RMT::Lockfile
 
   class << self
     def lock(lock_name = nil)
-      yield and return if ActiveRecord::Base.connection.adapter_name != 'Mysql2'
+      if ActiveRecord::Base.connection.adapter_name != 'Mysql2'
+        yield
+        return
+      end
 
       lock_name = ['rmt-cli', lock_name].compact.join('-')
 
diff --git a/spec/lib/rmt/lockfile_spec.rb b/spec/lib/rmt/lockfile_spec.rb
index f7ac31acb..d1b86f968 100644
--- a/spec/lib/rmt/lockfile_spec.rb
+++ b/spec/lib/rmt/lockfile_spec.rb
@@ -51,5 +51,12 @@
         )
       end
     end
+
+    context 'with sqlite backend' do
+      it 'yields block' do
+        allow(ActiveRecord::Base).to receive_message_chain(:connection, :adapter_name).and_return('sqlite3')
+        expect(lock).to eq nil
+      end
+    end
   end
 end
diff --git a/spec/lib/suse/connect/api_spec.rb b/spec/lib/suse/connect/api_spec.rb
index 865da6418..b73cfe669 100644
--- a/spec/lib/suse/connect/api_spec.rb
+++ b/spec/lib/suse/connect/api_spec.rb
@@ -44,7 +44,6 @@
     end
   end
 
-  # rubocop:disable RSpec/MessageChain
   describe '#connect_api' do
     subject(:method_call) { api_client.send(:connect_api) }
 
@@ -77,7 +76,6 @@
       end
     end
   end
-  # rubocop:enable RSpec/MessageChain
 
   context 'api requests' do
     before do
diff --git a/spec/support/cli_helpers.rb b/spec/support/cli_helpers.rb
index 7dd870abf..f0e961e27 100644
--- a/spec/support/cli_helpers.rb
+++ b/spec/support/cli_helpers.rb
@@ -12,3 +12,7 @@ def silence_stdout
 def file_human_size(size_in_bytes)
   ActiveSupport::NumberHelper.number_to_human_size(size_in_bytes)
 end
+
+def running_mysql
+  ActiveRecord::Base.connection.adapter_name == 'Mysql2'
+end
diff --git a/spec/support/shared_examples/cli.rb b/spec/support/shared_examples/cli.rb
index 57e38de8f..3b2ec407b 100644
--- a/spec/support/shared_examples/cli.rb
+++ b/spec/support/shared_examples/cli.rb
@@ -17,7 +17,7 @@
 end
 
 shared_examples 'handles lockfile exception' do
-  context 'with existing lockfile' do
+  context 'with existing lockfile', if: running_mysql do
     before do
       allow(RMT::Lockfile).to receive(:obtain_lock).and_return(false)
     end