diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0da2c5a87..f03eb0110 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,7 +34,6 @@ jobs:
           - windows-latest
 
         php:
-          - 8.0
           - 8.1
           - 8.2
           - 8.3
diff --git a/.github/workflows/composer-require-checker.yml b/.github/workflows/composer-require-checker.yml
index 15cafd128..798c9df64 100644
--- a/.github/workflows/composer-require-checker.yml
+++ b/.github/workflows/composer-require-checker.yml
@@ -25,4 +25,4 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.0', '8.1', '8.2', '8.3']
+        ['8.1', '8.2', '8.3']
diff --git a/.github/workflows/db-mariadb.yml b/.github/workflows/db-mariadb.yml
index 074b0d8f7..4772ca5cc 100644
--- a/.github/workflows/db-mariadb.yml
+++ b/.github/workflows/db-mariadb.yml
@@ -44,8 +44,6 @@ jobs:
           - mariadb:latest
 
         include:
-          - php: 8.0
-            mariadb: mariadb:latest
           - php: 8.1
             mariadb: mariadb:latest
           - php: 8.2
diff --git a/.github/workflows/db-mssql.yml b/.github/workflows/db-mssql.yml
index 84a737761..885f136fb 100644
--- a/.github/workflows/db-mssql.yml
+++ b/.github/workflows/db-mssql.yml
@@ -32,7 +32,6 @@ jobs:
     strategy:
       matrix:
         php:
-          - 8.0
           - 8.1
           - 8.2
           - 8.3
diff --git a/.github/workflows/db-mysql.yml b/.github/workflows/db-mysql.yml
index 89282d572..6493a9a89 100644
--- a/.github/workflows/db-mysql.yml
+++ b/.github/workflows/db-mysql.yml
@@ -39,8 +39,6 @@ jobs:
           - mysql:latest
 
         include:
-          - php: 8.0
-            mysql: mysql:latest
           - php: 8.1
             mysql: mysql:latest
           - php: 8.2
diff --git a/.github/workflows/db-oracle.yml b/.github/workflows/db-oracle.yml
index 6c2d86597..40343234c 100644
--- a/.github/workflows/db-oracle.yml
+++ b/.github/workflows/db-oracle.yml
@@ -39,8 +39,6 @@ jobs:
           - 21
 
         include:
-          - php: 8.0
-            oracle: 21
           - php: 8.1
             oracle: 21
           - php: 8.2
diff --git a/.github/workflows/db-pgsql.yml b/.github/workflows/db-pgsql.yml
index b881db376..5bf9fc51b 100644
--- a/.github/workflows/db-pgsql.yml
+++ b/.github/workflows/db-pgsql.yml
@@ -45,8 +45,6 @@ jobs:
           - 16
 
         include:
-          - php: 8.0
-            pgsql: 16
           - php: 8.1
             pgsql: 16
           - php: 8.2
diff --git a/.github/workflows/db-sqlite.yml b/.github/workflows/db-sqlite.yml
index af67bbbc3..e605a4682 100644
--- a/.github/workflows/db-sqlite.yml
+++ b/.github/workflows/db-sqlite.yml
@@ -36,7 +36,6 @@ jobs:
           - windows-latest
 
         php:
-          - 8.0
           - 8.1
           - 8.2
           - 8.3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 614264c5e..550d21e56 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@
 - Enh #855: Add array and JSON overlaps conditions (@Tigrov)
 - Enh #860: Add `bit` abstract type (@Tigrov)
 - Enh #862: Refactor PHP type of `ColumnSchemaInterface` instances (@Tigrov)
+- Enh #865: Raise minimum PHP version to `^8.1` with minor refactoring (@Tigrov, @vjik)
 - Enh #798: Allow `QueryInterface::one()` and `QueryInterface::all()` to return objects (@darkdef, @Tigrov)
 
 ## 1.3.0 March 21, 2024
diff --git a/README.md b/README.md
index 1a8c84be3..91e9a430f 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ similar to the way you would use ORM (Object-Relational Mapping) frameworks like
 
 ## Requirements
 
-- PHP 8.0 or higher.
+- PHP 8.1 or higher.
 
 ## Documentation
 
diff --git a/composer.json b/composer.json
index 88ca23d33..9bcedb8b6 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
         }
     ],
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "ext-ctype": "*",
         "ext-json": "*",
         "ext-mbstring": "*",
@@ -40,11 +40,11 @@
     },
     "require-dev": {
         "maglnet/composer-require-checker": "^4.2",
-        "phpunit/phpunit": "^9.6|^10.0",
+        "phpunit/phpunit": "^10.0",
         "rector/rector": "^1.1.1",
         "roave/infection-static-analysis-plugin": "^1.16",
         "spatie/phpunit-watcher": "^1.23",
-        "vimeo/psalm": "^4.30|^5.24",
+        "vimeo/psalm": "^5.25",
         "yiisoft/aliases": "^3.0",
         "yiisoft/cache-file": "^3.1",
         "yiisoft/di": "^1.0",
@@ -52,7 +52,7 @@
         "yiisoft/json": "^1.0",
         "yiisoft/log": "^2.0",
         "yiisoft/var-dumper": "^1.5",
-        "yiisoft/yii-debug": "dev-master|dev-php80"
+        "yiisoft/yii-debug": "dev-master"
     },
     "autoload": {
         "psr-4": {
diff --git a/rector.php b/rector.php
index c80d86e9a..f6ac9c870 100644
--- a/rector.php
+++ b/rector.php
@@ -4,8 +4,8 @@
 
 use Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector;
 use Rector\Config\RectorConfig;
-use Rector\Php73\Rector\FuncCall\JsonThrowOnErrorRector;
-use Rector\Php74\Rector\Closure\ClosureToArrowFunctionRector;
+use Rector\Php81\Rector\Property\ReadOnlyPropertyRector;
+use Rector\Php81\Rector\FuncCall\NullToStrictStringFuncCallArgRector;
 use Rector\Set\ValueObject\LevelSetList;
 
 return static function (RectorConfig $rectorConfig): void {
@@ -19,11 +19,11 @@
 
     // define sets of rules
     $rectorConfig->sets([
-        LevelSetList::UP_TO_PHP_80,
+        LevelSetList::UP_TO_PHP_81,
     ]);
 
     $rectorConfig->skip([
-        ClosureToArrowFunctionRector::class,
-        JsonThrowOnErrorRector::class,
+        ReadOnlyPropertyRector::class,
+        NullToStrictStringFuncCallArgRector::class,
     ]);
 };
diff --git a/src/Debug/CommandInterfaceProxy.php b/src/Debug/CommandInterfaceProxy.php
index ed513f8ee..ddd0fc36f 100644
--- a/src/Debug/CommandInterfaceProxy.php
+++ b/src/Debug/CommandInterfaceProxy.php
@@ -20,7 +20,7 @@ public function __construct(
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addCheck(string $table, string $name, string $expression): static
     {
@@ -28,7 +28,7 @@ public function addCheck(string $table, string $name, string $expression): stati
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addColumn(string $table, string $column, ColumnInterface|string $type): static
     {
@@ -36,7 +36,7 @@ public function addColumn(string $table, string $column, ColumnInterface|string
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addCommentOnColumn(string $table, string $column, string $comment): static
     {
@@ -44,7 +44,7 @@ public function addCommentOnColumn(string $table, string $column, string $commen
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addCommentOnTable(string $table, string $comment): static
     {
@@ -52,7 +52,7 @@ public function addCommentOnTable(string $table, string $comment): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addDefaultValue(string $table, string $name, string $column, mixed $value): static
     {
@@ -60,7 +60,7 @@ public function addDefaultValue(string $table, string $name, string $column, mix
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addForeignKey(
         string $table,
@@ -75,7 +75,7 @@ public function addForeignKey(
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addPrimaryKey(string $table, string $name, array|string $columns): static
     {
@@ -83,7 +83,7 @@ public function addPrimaryKey(string $table, string $name, array|string $columns
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function addUnique(string $table, string $name, array|string $columns): static
     {
@@ -91,7 +91,7 @@ public function addUnique(string $table, string $name, array|string $columns): s
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function alterColumn(string $table, string $column, ColumnInterface|string $type): static
     {
@@ -99,7 +99,7 @@ public function alterColumn(string $table, string $column, ColumnInterface|strin
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function insertBatch(string $table, iterable $rows, array $columns = []): static
     {
@@ -107,7 +107,7 @@ public function insertBatch(string $table, iterable $rows, array $columns = []):
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function bindParam(
         int|string $name,
@@ -120,7 +120,7 @@ public function bindParam(
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function bindValue(int|string $name, mixed $value, int $dataType = null): static
     {
@@ -128,7 +128,7 @@ public function bindValue(int|string $name, mixed $value, int $dataType = null):
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function bindValues(array $values): static
     {
@@ -141,7 +141,7 @@ public function cancel(): void
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function checkIntegrity(string $schema, string $table, bool $check = true): static
     {
@@ -149,7 +149,7 @@ public function checkIntegrity(string $schema, string $table, bool $check = true
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function createIndex(
         string $table,
@@ -162,7 +162,7 @@ public function createIndex(
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function createTable(string $table, array $columns, string $options = null): static
     {
@@ -170,7 +170,7 @@ public function createTable(string $table, array $columns, string $options = nul
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function createView(string $viewName, QueryInterface|string $subQuery): static
     {
@@ -178,7 +178,7 @@ public function createView(string $viewName, QueryInterface|string $subQuery): s
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function delete(string $table, array|string $condition = '', array $params = []): static
     {
@@ -186,7 +186,7 @@ public function delete(string $table, array|string $condition = '', array $param
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropCheck(string $table, string $name): static
     {
@@ -194,7 +194,7 @@ public function dropCheck(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropColumn(string $table, string $column): static
     {
@@ -202,7 +202,7 @@ public function dropColumn(string $table, string $column): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropCommentFromColumn(string $table, string $column): static
     {
@@ -210,7 +210,7 @@ public function dropCommentFromColumn(string $table, string $column): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropCommentFromTable(string $table): static
     {
@@ -218,7 +218,7 @@ public function dropCommentFromTable(string $table): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropDefaultValue(string $table, string $name): static
     {
@@ -226,7 +226,7 @@ public function dropDefaultValue(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropForeignKey(string $table, string $name): static
     {
@@ -234,7 +234,7 @@ public function dropForeignKey(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropIndex(string $table, string $name): static
     {
@@ -242,7 +242,7 @@ public function dropIndex(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropPrimaryKey(string $table, string $name): static
     {
@@ -250,7 +250,7 @@ public function dropPrimaryKey(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropTable(string $table): static
     {
@@ -258,7 +258,7 @@ public function dropTable(string $table): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropUnique(string $table, string $name): static
     {
@@ -266,7 +266,7 @@ public function dropUnique(string $table, string $name): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function dropView(string $viewName): static
     {
@@ -308,7 +308,7 @@ public function getSql(): string
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function insert(string $table, QueryInterface|array $columns): static
     {
@@ -425,7 +425,7 @@ public function queryScalar(): bool|string|null|int|float
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function renameColumn(string $table, string $oldName, string $newName): static
     {
@@ -433,7 +433,7 @@ public function renameColumn(string $table, string $oldName, string $newName): s
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function renameTable(string $table, string $newName): static
     {
@@ -441,7 +441,7 @@ public function renameTable(string $table, string $newName): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function resetSequence(string $table, int|string $value = null): static
     {
@@ -449,7 +449,7 @@ public function resetSequence(string $table, int|string $value = null): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function setRawSql(string $sql): static
     {
@@ -457,7 +457,7 @@ public function setRawSql(string $sql): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function setRetryHandler(?Closure $handler): static
     {
@@ -465,7 +465,7 @@ public function setRetryHandler(?Closure $handler): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function setSql(string $sql): static
     {
@@ -473,7 +473,7 @@ public function setSql(string $sql): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function truncateTable(string $table): static
     {
@@ -481,7 +481,7 @@ public function truncateTable(string $table): static
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function update(string $table, array $columns, array|string $condition = '', array $params = []): static
     {
@@ -489,7 +489,7 @@ public function update(string $table, array $columns, array|string $condition =
     }
 
     /**
-     * @psalm-suppress  MixedArgument
+     * @psalm-suppress MixedArgument
      */
     public function upsert(
         string $table,
diff --git a/src/Helper/DbArrayHelper.php b/src/Helper/DbArrayHelper.php
index a5059a73b..cb824dccd 100644
--- a/src/Helper/DbArrayHelper.php
+++ b/src/Helper/DbArrayHelper.php
@@ -52,9 +52,7 @@ final class DbArrayHelper
     public static function getColumn(array $array, string $name): array
     {
         return array_map(
-            static function (array|object $element) use ($name): mixed {
-                return self::getValueByPath($element, $name);
-            },
+            static fn (array|object $element): mixed => self::getValueByPath($element, $name),
             $array
         );
     }
diff --git a/src/QueryBuilder/AbstractDMLQueryBuilder.php b/src/QueryBuilder/AbstractDMLQueryBuilder.php
index 0b283bb76..7097b0f4a 100644
--- a/src/QueryBuilder/AbstractDMLQueryBuilder.php
+++ b/src/QueryBuilder/AbstractDMLQueryBuilder.php
@@ -91,7 +91,7 @@ public function insertBatch(string $table, iterable $rows, array $columns = [],
         $query = 'INSERT INTO ' . $this->quoter->quoteTableName($table);
 
         if (count($columns) > 0) {
-            $quotedColumnNames = array_map([$this->quoter, 'quoteColumnName'], $columns);
+            $quotedColumnNames = array_map($this->quoter->quoteColumnName(...), $columns);
 
             $query .= ' (' . implode(', ', $quotedColumnNames) . ')';
         }
@@ -413,7 +413,7 @@ protected function prepareUpsertColumns(
             $insertNames = $this->getNormalizeColumnNames(array_keys($insertColumns));
 
             $insertNames = array_map(
-                [$this->quoter, 'quoteColumnName'],
+                $this->quoter->quoteColumnName(...),
                 $insertNames,
             );
         }
@@ -491,7 +491,7 @@ static function (Constraint $constraint) use ($quoter, $columns, &$columnNames):
                     $constraintColumnNames = (array) $constraint->getColumnNames();
 
                     $constraintColumnNames = array_map(
-                        [$quoter, 'quoteColumnName'],
+                        $quoter->quoteColumnName(...),
                         $constraintColumnNames,
                     );
 
diff --git a/src/Schema/Quoter.php b/src/Schema/Quoter.php
index 7ec65b4eb..1c130a9d6 100644
--- a/src/Schema/Quoter.php
+++ b/src/Schema/Quoter.php
@@ -99,7 +99,7 @@ public function getTableNameParts(string $name): array
     {
         $parts = array_slice(explode('.', $name), -2, 2);
 
-        return array_map([$this, 'unquoteSimpleTableName'], $parts);
+        return array_map($this->unquoteSimpleTableName(...), $parts);
     }
 
     public function ensureNameQuoted(string $name): string
diff --git a/tests/Common/CommonColumnSchemaBuilderTest.php b/tests/Common/CommonColumnSchemaBuilderTest.php
index e5adac2ea..9817a5f40 100644
--- a/tests/Common/CommonColumnSchemaBuilderTest.php
+++ b/tests/Common/CommonColumnSchemaBuilderTest.php
@@ -12,7 +12,6 @@
 use Yiisoft\Db\Tests\Support\TestTrait;
 
 use function array_shift;
-use function call_user_func_array;
 
 abstract class CommonColumnSchemaBuilderTest extends TestCase
 {
@@ -87,7 +86,7 @@ protected function checkBuildString(string $expected, string $type, int|null $le
 
         foreach ($calls as $call) {
             $method = array_shift($call);
-            call_user_func_array([$builder, $method], $call);
+            ($builder->$method(...))(...$call);
         }
 
         $this->assertSame($expected, $builder->asString());
@@ -116,7 +115,7 @@ protected function checkCreateColumn(string $expected, string $type, int|null $l
 
         foreach ($calls as $call) {
             $method = array_shift($call);
-            call_user_func_array([$builder, $method], $call);
+            ($builder->$method(...))(...$call);
         }
 
         $tableName = '{{%column_schema_builder_types}}';
diff --git a/tests/Common/CommonCommandTest.php b/tests/Common/CommonCommandTest.php
index 2c8d7d31b..3dcf8f15d 100644
--- a/tests/Common/CommonCommandTest.php
+++ b/tests/Common/CommonCommandTest.php
@@ -27,7 +27,6 @@
 use Yiisoft\Db\Tests\Support\Stub\Column;
 use Yiisoft\Db\Transaction\TransactionInterface;
 
-use function call_user_func_array;
 use function is_string;
 use function setlocale;
 
@@ -2002,7 +2001,7 @@ protected function performAndCompareUpsertResult(PdoConnectionInterface $db, arr
 
         $command = $db->createCommand();
 
-        call_user_func_array([$command, 'upsert'], $params);
+        ($command->upsert(...))(...$params);
 
         $command->execute();
 
diff --git a/tests/Provider/PopulateProvider.php b/tests/Provider/PopulateProvider.php
index a5537f454..cfd4d0126 100644
--- a/tests/Provider/PopulateProvider.php
+++ b/tests/Provider/PopulateProvider.php
@@ -28,9 +28,7 @@ public static function populateWithIndexByClosure(): array
     {
         return [
             [
-                static function ($row) {
-                    return $row['key'];
-                },
+                static fn($row) => $row['key'],
                 [
                     ['key' => 'value1'],
                     ['key' => 'value2'],
diff --git a/tests/Support/Stub/DQLQueryBuilder.php b/tests/Support/Stub/DQLQueryBuilder.php
index 72924bbbf..00e8350a5 100644
--- a/tests/Support/Stub/DQLQueryBuilder.php
+++ b/tests/Support/Stub/DQLQueryBuilder.php
@@ -11,8 +11,9 @@ final class DQLQueryBuilder extends AbstractDQLQueryBuilder
 {
     protected function defaultExpressionBuilders(): array
     {
-        return array_merge(parent::defaultExpressionBuilders(), [
+        return [
+            ...parent::defaultExpressionBuilders(),
             Expression::class => ExpressionBuilder::class,
-        ]);
+        ];
     }
 }