diff --git a/.github/workflows/plugin-test.yml b/.github/workflows/plugin-test.yml
index 72543d23d88..af096c21ee0 100644
--- a/.github/workflows/plugin-test.yml
+++ b/.github/workflows/plugin-test.yml
@@ -20,7 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-18.04 ]
-        php: [ 7.4 ]
+        php: [ '7.4', '8.0', '8.1' ]
         db: [ pgsql, mysql ]
         method:
           - test_install_enable_disable_remove_store
@@ -35,9 +35,11 @@ jobs:
           - db: pgsql
             database_url: postgres://postgres:password@127.0.0.1:5432/eccube_db
             database_server_version: 14
+            database_charset: utf8
           - db: mysql
             database_url: mysql://root:password@127.0.0.1:3306/eccube_db
             database_server_version: 5
+            database_charset: utf8mb4
 
     services:
       mysql:
@@ -90,6 +92,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
         run: |
           echo "APP_ENV=${APP_ENV}" > .env
           bin/console doctrine:database:create --env=dev
@@ -124,6 +127,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
         run: php -S 127.0.0.1:8000 codeception/router.php &
@@ -139,6 +143,7 @@ jobs:
           APP_ENV: ${{ matrix.app_env }}
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           METHOD: ${{ matrix.method }}
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
@@ -164,7 +169,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-18.04 ]
-        php: [ 7.4 ]
+        php: [ '7.4', '8.0', '8.1' ]
         db: [ pgsql, mysql ]
         method:
           - test_install_update_remove_store
@@ -177,9 +182,11 @@ jobs:
           - db: pgsql
             database_url: postgres://postgres:password@127.0.0.1:5432/eccube_db
             database_server_version: 14
+            database_charset: utf8
           - db: mysql
             database_url: mysql://root:password@127.0.0.1:3306/eccube_db
             database_server_version: 5
+            database_charset: utf8mb4
 
     services:
       mysql:
@@ -232,6 +239,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
         run: |
           echo "APP_ENV=${APP_ENV}" > .env
           bin/console doctrine:database:create --env=dev
@@ -266,6 +274,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
         run: php -S 127.0.0.1:8000 codeception/router.php &
@@ -281,6 +290,7 @@ jobs:
           APP_ENV: ${{ matrix.app_env }}
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           METHOD: ${{ matrix.method }}
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
@@ -306,7 +316,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-18.04 ]
-        php: [ 7.4 ]
+        php: [ '7.4', '8.0', '8.1' ]
         db: [ pgsql, mysql ]
         method:
           - test_extend_same_table_store
@@ -319,9 +329,11 @@ jobs:
           - db: pgsql
             database_url: postgres://postgres:password@127.0.0.1:5432/eccube_db
             database_server_version: 14
+            database_charset: utf8
           - db: mysql
             database_url: mysql://root:password@127.0.0.1:3306/eccube_db
             database_server_version: 5
+            database_charset: utf8mb4
 
     services:
       mysql:
@@ -374,6 +386,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
         run: |
           echo "APP_ENV=${APP_ENV}" > .env
           bin/console doctrine:database:create --env=dev
@@ -408,6 +421,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
         run: php -S 127.0.0.1:8000 codeception/router.php &
@@ -423,6 +437,7 @@ jobs:
           APP_ENV: ${{ matrix.app_env }}
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           METHOD: ${{ matrix.method }}
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
@@ -448,7 +463,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ ubuntu-18.04 ]
-        php: [ 7.4 ]
+        php: [ '7.4', '8.0', '8.1' ]
         db: [ pgsql, mysql ]
         method:
           - test_dependency_each_install_plugin
@@ -461,9 +476,11 @@ jobs:
           - db: pgsql
             database_url: postgres://postgres:password@127.0.0.1:5432/eccube_db
             database_server_version: 14
+            database_charset: utf8
           - db: mysql
             database_url: mysql://root:password@127.0.0.1:3306/eccube_db
             database_server_version: 5
+            database_charset: utf8mb4
         exclude:
           - db: mysql
             method: test_dependency_plugin_update
@@ -519,6 +536,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
         run: |
           echo "APP_ENV=${APP_ENV}" > .env
           bin/console doctrine:database:create --env=dev
@@ -553,6 +571,7 @@ jobs:
           APP_ENV: 'codeception'
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
         run: php -S 127.0.0.1:8000 codeception/router.php &
@@ -568,6 +587,7 @@ jobs:
           APP_ENV: ${{ matrix.app_env }}
           DATABASE_URL: ${{ matrix.database_url }}
           DATABASE_SERVER_VERSION: ${{ matrix.database_server_version }}
+          DATABASE_CHARSET: ${{ matrix.database_charset }}
           MAILER_URL: 'smtp://127.0.0.1:1025'
           METHOD: ${{ matrix.method }}
           ECCUBE_PACKAGE_API_URL: 'http://127.0.0.1:8080'
diff --git a/src/Eccube/EventListener/TransactionListener.php b/src/Eccube/EventListener/TransactionListener.php
index 4e0b4dcac6c..d75b4ac9a5c 100644
--- a/src/Eccube/EventListener/TransactionListener.php
+++ b/src/Eccube/EventListener/TransactionListener.php
@@ -103,8 +103,10 @@ public function onKernelException(ExceptionEvent $event)
             return;
         }
 
-        if ($this->em->getConnection()->isTransactionActive()) {
-            $this->em->rollback();
+        if ($this->em->getConnection()->getNativeConnection()->inTransaction()) {
+            if ($this->em->getConnection()->isRollbackOnly()) {
+                $this->em->rollback();
+            }
             log_debug('Rollback executed.');
         } else {
             log_debug('Transaction is not active. Rollback skipped.');
@@ -123,7 +125,7 @@ public function onKernelTerminate(TerminateEvent $event)
 
             return;
         }
-        if ($this->em->getConnection()->isTransactionActive()) {
+        if ($this->em->getConnection()->getNativeConnection()->inTransaction()) {
             if ($this->em->getConnection()->isRollbackOnly()) {
                 $this->em->rollback();
                 log_debug('Rollback executed.');
diff --git a/src/Eccube/Service/PluginService.php b/src/Eccube/Service/PluginService.php
index f44d90de33f..fe3757a4344 100644
--- a/src/Eccube/Service/PluginService.php
+++ b/src/Eccube/Service/PluginService.php
@@ -779,9 +779,15 @@ public function updatePlugin(Plugin $plugin, $meta)
             }
             $this->copyAssets($plugin->getCode());
             $em->flush();
-            $em->getConnection()->commit();
+            if ($em->getConnection()->getNativeConnection()->inTransaction()) {
+                $em->getConnection()->commit();
+            }
         } catch (\Exception $e) {
-            $em->getConnection()->rollback();
+            if ($em->getConnection()->getNativeConnection()->inTransaction()) {
+                if ($em->getConnection()->isRollbackOnly()) {
+                    $em->getConnection()->rollback();
+                }
+            }
             throw $e;
         }
     }