diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 33e583a..9da4363 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -9,7 +9,7 @@ jobs:
   version-check:
     # We need this job to run only on push with tag.
     if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Check module version
         uses: tarantool/actions/check-module-version@master
@@ -18,9 +18,9 @@ jobs:
 
   publish-scm-1:
     if: github.ref == 'refs/heads/master'
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - uses: tarantool/rocks.tarantool.org/github-action@master
         with:
           auth: ${{ secrets.ROCKS_AUTH }}
@@ -29,13 +29,13 @@ jobs:
   publish-tag:
     if: startsWith(github.ref, 'refs/tags/')
     needs: version-check
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
 
-      - uses: tarantool/setup-tarantool@v1
+      - uses: tarantool/setup-tarantool@v4
         with:
-          tarantool-version: '2.8'
+          tarantool-version: '2.11'
 
       - run: cmake .
       - run: echo "TAG=${GITHUB_REF##*/}" >> $GITHUB_ENV
diff --git a/.github/workflows/test_on_push.yaml b/.github/workflows/test_on_push.yaml
index 8ed6f1a..6f07ce1 100644
--- a/.github/workflows/test_on_push.yaml
+++ b/.github/workflows/test_on_push.yaml
@@ -4,7 +4,7 @@ on: [push]
 
 jobs:
   all:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 20
     env:
       DOWNLOAD_TOKEN: ${{ secrets.DOWNLOAD_TOKEN }}
@@ -12,10 +12,10 @@ jobs:
       ROCKS_PASSWORD: ${{ secrets.ROCKS_PASSWORD }}
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
-      - uses: tarantool/setup-tarantool@v1
+        uses: actions/checkout@v6
+      - uses: tarantool/setup-tarantool@v4
         with:
-          tarantool-version: '2.8'
+          tarantool-version: '2.11'
 
       - name: CMAKE
         run: cmake .
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7894e7d..0311d78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.10...3.31 FATAL_ERROR)
 
 project(graphqlapi NONE)
 
diff --git a/examples/cartridge-simple/app/test_data.lua b/examples/cartridge-simple/app/test_data.lua
index 96a22f3..d0b12e5 100644
--- a/examples/cartridge-simple/app/test_data.lua
+++ b/examples/cartridge-simple/app/test_data.lua
@@ -1,11 +1,4 @@
-local ddl
-local ok, rc = pcall(require, 'ddl-ee')
-if ok then
-    ddl = rc
-else
-    ddl = require('ddl')
-end
-
+local ddl = require('ddl')
 local log = require('log')
 
 local function fill()
@@ -17,33 +10,33 @@ local function fill()
                 is_local = false,
                 temporary = false,
                 format = {
-                    { name = 'customer_id', is_nullable = false, type = 'unsigned' },
-                    { name = 'bucket_id',   is_nullable = false, type = 'unsigned' },
-                    { name = 'fullname',    is_nullable = false, type = 'string' },
+                    {name = 'customer_id', is_nullable = false, type = 'unsigned'},
+                    {name = 'bucket_id', is_nullable = false, type = 'unsigned'},
+                    {name = 'fullname', is_nullable = false, type = 'string'},
                 },
-                indexes = { {
+                indexes = {{
                     name = 'customer_id',
                     type = 'TREE',
                     unique = true,
                     parts = {
-                        { path = 'customer_id', is_nullable = false, type = 'unsigned' }
+                        {path = 'customer_id', is_nullable = false, type = 'unsigned'}
                     }
                 }, {
                     name = 'bucket_id',
                     type = 'TREE',
                     unique = false,
                     parts = {
-                        { path = 'bucket_id', is_nullable = false, type = 'unsigned' }
+                        {path = 'bucket_id', is_nullable = false, type = 'unsigned'}
                     }
                 }, {
                     name = 'fullname',
                     type = 'TREE',
                     unique = true,
                     parts = {
-                        { path = 'fullname', is_nullable = false, type = 'string' }
+                        {path = 'fullname', is_nullable = false, type = 'string'}
                     }
-                } },
-                sharding_key = { 'customer_id' },
+                }},
+                sharding_key = {'customer_id'},
             }
         }
     }
@@ -60,8 +53,8 @@ local function fill()
 
     if box.space['customer'] ~= nil then
         for id = 1, 250 do
-            local bucket_id = ddl.bucket_id('customer', { id })
-            crud.replace('customer', { id, bucket_id, 'Test Customer ' .. tostring(id) })
+            local bucket_id = ddl.bucket_id('customer', {id})
+            crud.replace('customer', {id, bucket_id, 'Test Customer '..tostring(id)})
         end
     end
 end
diff --git a/graphqlapi/cluster.lua b/graphqlapi/cluster.lua
index d536c09..7a15d81 100644
--- a/graphqlapi/cluster.lua
+++ b/graphqlapi/cluster.lua
@@ -1,5 +1,6 @@
 local argparse = require('cartridge.argparse')
 local cartridge = require('cartridge')
+local ddl = require('ddl')
 local errors = require('errors')
 local membership = require('membership')
 local pool = require('cartridge.pool')
@@ -7,14 +8,6 @@ local vshard = require('vshard')
 
 local utils = require('graphqlapi.utils')
 
-local ddl
-local ok, rc = pcall(require, 'ddl-ee')
-if ok then
-    ddl = rc
-else
-    ddl = require('ddl')
-end
-
 local _replicas = {}
 
 local e_cluster_api = errors.new_class('cluster API error', { capture_stack = false })
@@ -38,7 +31,7 @@ local function get_servers()
             table.insert(servers, { alias = alias, conn = conn })
         else
             connect_errors = connect_errors or {}
-            table.insert(connect_errors, e_cluster_api:new('instance \'%s\' error: %s', alias, err))
+            table.insert(connect_errors,  e_cluster_api:new('instance \'%s\' error: %s', alias, err))
         end
     end
     return servers, connect_errors
@@ -54,7 +47,7 @@ local function get_masters()
             table.insert(servers, { alias = alias, conn = conn })
         else
             connect_errors = connect_errors or {}
-            table.insert(connect_errors, e_cluster_api:new('instance \'%s\' error: %s', alias, err))
+            table.insert(connect_errors,  e_cluster_api:new('instance \'%s\' error: %s', alias, err))
         end
     end
     return servers, connect_errors
@@ -79,7 +72,7 @@ local function get_storages_instances(mode, prefer_replica, balance)
             _replicas[uuid] = conn.peer_uuid
         else
             if prefer_replica == false and balance == false then
-                conn = replicaset.master.next_by_priority.conn
+                conn =  replicaset.master.next_by_priority.conn
                 _replicas[uuid] = conn.peer_uuid
             elseif prefer_replica == false and balance == true then
                 local prev_uuid = _replicas[uuid] or replicaset.priority_list[1].uuid
@@ -175,7 +168,7 @@ local function get_servers_by_list(instances)
                 table.insert(servers, { replicaset_uuid = replicaset_uuid, alias = alias, conn = conn, })
             else
                 connect_errors = connect_errors or {}
-                table.insert(connect_errors, e_cluster_api:new('instance \'%s\' error: %s', alias, err))
+                table.insert(connect_errors,  e_cluster_api:new('instance \'%s\' error: %s', alias, err))
             end
         end
     end
@@ -186,7 +179,7 @@ local function get_existing_spaces()
     local spaces = {}
     local schema = ddl.get_schema()
     for space in pairs(schema.spaces) do
-        spaces[space] = space
+        spaces[space]=space
     end
     return spaces
 end