diff --git a/app/Console/Commands/Correction/FixPostgresSequences.php b/app/Console/Commands/Correction/FixPostgresSequences.php
new file mode 100644
index 0000000000..66720e4ed3
--- /dev/null
+++ b/app/Console/Commands/Correction/FixPostgresSequences.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace FireflyIII\Console\Commands\Correction;
+
+use DB;
+use Illuminate\Console\Command;
+
+/**
+ * Class FixPostgresSequences
+ */
+class FixPostgresSequences extends Command
+{
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Fixes issues with PostgreSQL sequences.';
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'firefly-iii:fix-pgsql-sequences';
+
+    /**
+     * Execute the console command.
+     *
+     * @return int
+     */
+    public function handle(): int
+    {
+        if (DB::connection()->getName() !== 'pgsql') {
+            $this->info('Command executed successfully.');
+
+            return 0;
+        }
+        $tablesToCheck = [
+            '2fa_tokens',
+            'account_meta',
+            'account_types',
+            'accounts',
+            'attachments',
+            'auto_budgets',
+            'available_budgets',
+            'bills',
+            'budget_limits',
+            'budget_transaction',
+            'budget_transaction_journal',
+            'budgets',
+            'categories',
+            'category_transaction',
+            'category_transaction_journal',
+            'configuration',
+            'currency_exchange_rates',
+            'export_jobs',
+            'failed_jobs',
+            'group_journals',
+            'import_jobs',
+            'jobs',
+            'journal_links',
+            'journal_meta',
+            'limit_repetitions',
+            'link_types',
+            'locations',
+            'migrations',
+            'notes',
+            'oauth_clients',
+            'oauth_personal_access_clients',
+            'object_groups',
+            'permissions',
+            'piggy_bank_events',
+            'piggy_bank_repetitions',
+            'piggy_banks',
+            'preferences',
+            'recurrences',
+            'recurrences_meta',
+            'recurrences_repetitions',
+            'recurrences_transactions',
+            'roles',
+            'rt_meta',
+            'rule_actions',
+            'rule_groups',
+            'rule_triggers',
+            'rules',
+            'tag_transaction_journal',
+            'tags',
+            'telemetry',
+            'transaction_currencies',
+            'transaction_groups',
+            'transaction_journals',
+            'transaction_types',
+            'transactions',
+            'users',
+            'webhook_attempts',
+            'webhook_messages',
+            'webhooks',
+        ];
+
+        foreach ($tablesToCheck as $tableToCheck) {
+            $this->info(sprintf('Checking the next id sequence for table "%s".', $tableToCheck));
+
+            $highestId = DB::table($tableToCheck)->select(DB::raw('MAX(id)'))->first();
+            $nextId    = DB::table($tableToCheck)->select(DB::raw(sprintf('nextval(\'%s_id_seq\')', $tableToCheck)))->first();
+
+            if ($nextId->nextval < $highestId->max) {
+                DB::select(sprintf('SELECT setval(\'%s_id_seq\', %d)', $tableToCheck, $highestId->max));
+                $highestId = DB::table($tableToCheck)->select(DB::raw('MAX(id)'))->first();
+                $nextId    = DB::table($tableToCheck)->select(DB::raw(sprintf('nextval(\'%s_id_seq\')', $tableToCheck)))->first();
+                if ($nextId->nextval > $highestId->max) {
+                    $this->info(sprintf('Table "%s" autoincrement corrected.', $tableToCheck));
+                }
+                if ($nextId->nextval <= $highestId->max) {
+                    $this->warn(sprintf('Arff! The nextval sequence is still all screwed up on table "%s".', $tableToCheck));
+                }
+            }
+        }
+
+
+        return 0;
+    }
+}
diff --git a/app/Console/Commands/Upgrade/UpgradeDatabase.php b/app/Console/Commands/Upgrade/UpgradeDatabase.php
index 8b8a813844..3870c6597a 100644
--- a/app/Console/Commands/Upgrade/UpgradeDatabase.php
+++ b/app/Console/Commands/Upgrade/UpgradeDatabase.php
@@ -130,6 +130,12 @@ class UpgradeDatabase extends Command
         $result = Artisan::output();
         echo $result;
 
+        // artisan firefly-iii:fix-pgsql-sequences
+        $this->line('Fix PostgreSQL sequences.');
+        Artisan::call('firefly-iii:fix-pgsql-sequences');
+        $result = Artisan::output();
+        echo $result;
+
         $this->line('Now decrypting the database (if necessary)...');
         Artisan::call('firefly-iii:decrypt-all');
         $result = Artisan::output();
diff --git a/app/Http/Controllers/System/InstallController.php b/app/Http/Controllers/System/InstallController.php
index f74120e1c0..d041c061f9 100644
--- a/app/Http/Controllers/System/InstallController.php
+++ b/app/Http/Controllers/System/InstallController.php
@@ -64,6 +64,7 @@ class InstallController extends Controller
         $this->upgradeCommands = [
             // there are 3 initial commands
             'migrate'                                  => ['--seed' => true, '--force' => true],
+            'firefly-iii:fix-pgsql-sequences'          => [],
             'firefly-iii:decrypt-all'                  => [],
             'firefly-iii:restore-oauth-keys'           => [],
             'generate-keys'                            => [], // an exception :(
diff --git a/composer.json b/composer.json
index a18d293aca..44dadefe2c 100644
--- a/composer.json
+++ b/composer.json
@@ -154,6 +154,7 @@
     ],
     "post-update-cmd": [
       "@php artisan cache:clear",
+      "@php artisan firefly-iii:fix-pgsql-sequences",
       "@php artisan firefly-iii:decrypt-all",
 
       "@php artisan firefly-iii:transaction-identifiers",
diff --git a/composer.lock b/composer.lock
index e3b9f18cb7..d0239efc90 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1928,16 +1928,16 @@
         },
         {
             "name": "laravel/ui",
-            "version": "v3.2.0",
+            "version": "v3.2.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/ui.git",
-                "reference": "a1f82c6283c8373ea1958b8a27c3d5c98cade351"
+                "reference": "e2478cd0342a92ec1c8c77422553bda8ee004fd0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/ui/zipball/a1f82c6283c8373ea1958b8a27c3d5c98cade351",
-                "reference": "a1f82c6283c8373ea1958b8a27c3d5c98cade351",
+                "url": "https://api.github.com/repos/laravel/ui/zipball/e2478cd0342a92ec1c8c77422553bda8ee004fd0",
+                "reference": "e2478cd0342a92ec1c8c77422553bda8ee004fd0",
                 "shasum": ""
             },
             "require": {
@@ -1979,10 +1979,9 @@
                 "ui"
             ],
             "support": {
-                "issues": "https://github.com/laravel/ui/issues",
-                "source": "https://github.com/laravel/ui/tree/v3.2.0"
+                "source": "https://github.com/laravel/ui/tree/v3.2.1"
             },
-            "time": "2021-01-06T19:20:22+00:00"
+            "time": "2021-04-27T18:17:41+00:00"
         },
         {
             "name": "laravelcollective/html",
@@ -8399,16 +8398,16 @@
         },
         {
             "name": "nunomaduro/larastan",
-            "version": "v0.7.4",
+            "version": "v0.7.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/nunomaduro/larastan.git",
-                "reference": "0ceef2a39b45be9d7f7dd96192a1721ba5112278"
+                "reference": "ba865c6683552608bc2360a459925abeda45a4cc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nunomaduro/larastan/zipball/0ceef2a39b45be9d7f7dd96192a1721ba5112278",
-                "reference": "0ceef2a39b45be9d7f7dd96192a1721ba5112278",
+                "url": "https://api.github.com/repos/nunomaduro/larastan/zipball/ba865c6683552608bc2360a459925abeda45a4cc",
+                "reference": "ba865c6683552608bc2360a459925abeda45a4cc",
                 "shasum": ""
             },
             "require": {
@@ -8472,7 +8471,7 @@
             ],
             "support": {
                 "issues": "https://github.com/nunomaduro/larastan/issues",
-                "source": "https://github.com/nunomaduro/larastan/tree/v0.7.4"
+                "source": "https://github.com/nunomaduro/larastan/tree/v0.7.5"
             },
             "funding": [
                 {
@@ -8492,7 +8491,7 @@
                     "type": "patreon"
                 }
             ],
-            "time": "2021-04-16T08:25:31+00:00"
+            "time": "2021-04-29T14:43:35+00:00"
         },
         {
             "name": "phar-io/manifest",
@@ -8832,16 +8831,16 @@
         },
         {
             "name": "phpstan/phpstan",
-            "version": "0.12.84",
+            "version": "0.12.85",
             "source": {
                 "type": "git",
                 "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "9c43f15da8798c8f30a4b099e6a94530a558cfd5"
+                "reference": "20e6333c0067875ad7697cd8acdf245c6ef69d03"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/9c43f15da8798c8f30a4b099e6a94530a558cfd5",
-                "reference": "9c43f15da8798c8f30a4b099e6a94530a558cfd5",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/20e6333c0067875ad7697cd8acdf245c6ef69d03",
+                "reference": "20e6333c0067875ad7697cd8acdf245c6ef69d03",
                 "shasum": ""
             },
             "require": {
@@ -8872,7 +8871,7 @@
             "description": "PHPStan - PHP Static Analysis Tool",
             "support": {
                 "issues": "https://github.com/phpstan/phpstan/issues",
-                "source": "https://github.com/phpstan/phpstan/tree/0.12.84"
+                "source": "https://github.com/phpstan/phpstan/tree/0.12.85"
             },
             "funding": [
                 {
@@ -8888,7 +8887,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-04-19T17:10:54+00:00"
+            "time": "2021-04-27T14:13:16+00:00"
         },
         {
             "name": "phpstan/phpstan-deprecation-rules",
@@ -9418,12 +9417,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "3c97c13698c448fdbbda20acb871884a2d8f45b1"
+                "reference": "2da463d475b13cf8c519d862f1a6423ab7a515e3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/3c97c13698c448fdbbda20acb871884a2d8f45b1",
-                "reference": "3c97c13698c448fdbbda20acb871884a2d8f45b1",
+                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/2da463d475b13cf8c519d862f1a6423ab7a515e3",
+                "reference": "2da463d475b13cf8c519d862f1a6423ab7a515e3",
                 "shasum": ""
             },
             "conflict": {
@@ -9440,6 +9439,7 @@
                 "barrelstrength/sprout-base-email": "<1.2.7",
                 "barrelstrength/sprout-forms": "<3.9",
                 "baserproject/basercms": ">=4,<=4.3.6|>=4.4,<4.4.1",
+                "bk2k/bootstrap-package": ">=7.1,<7.1.2|>=8,<8.0.8|>=9,<9.0.4|>=9.1,<9.1.3|>=10,<10.0.10|>=11,<11.0.3",
                 "bolt/bolt": "<3.7.1",
                 "bolt/core": "<4.1.13",
                 "brightlocal/phpwhois": "<=4.2.5",
@@ -9451,7 +9451,7 @@
                 "centreon/centreon": "<18.10.8|>=19,<19.4.5",
                 "cesnet/simplesamlphp-module-proxystatistics": "<3.1",
                 "codeigniter/framework": "<=3.0.6",
-                "composer/composer": "<=1-alpha.11",
+                "composer/composer": "<1.10.22|>=2-alpha.1,<2.0.13",
                 "contao-components/mediaelement": ">=2.14.2,<2.21.1",
                 "contao/core": ">=2,<3.5.39",
                 "contao/core-bundle": ">=4,<4.4.52|>=4.5,<4.9.6|= 4.10.0",
@@ -9503,7 +9503,7 @@
                 "friendsoftypo3/mediace": ">=7.6.2,<7.6.5",
                 "fuel/core": "<1.8.1",
                 "getgrav/grav": "<1.7.11",
-                "getkirby/cms": ">=3,<3.4.5",
+                "getkirby/cms": "<3.5.4",
                 "getkirby/panel": "<2.5.14",
                 "gos/web-socket-bundle": "<1.10.4|>=2,<2.6.1|>=3,<3.3",
                 "gree/jose": "<=2.2",
@@ -9511,7 +9511,7 @@
                 "guzzlehttp/guzzle": ">=4-rc.2,<4.2.4|>=5,<5.3.1|>=6,<6.2.1",
                 "illuminate/auth": ">=4,<4.0.99|>=4.1,<=4.1.31|>=4.2,<=4.2.22|>=5,<=5.0.35|>=5.1,<=5.1.46|>=5.2,<=5.2.45|>=5.3,<=5.3.31|>=5.4,<=5.4.36|>=5.5,<5.5.10",
                 "illuminate/cookie": ">=4,<=4.0.11|>=4.1,<=4.1.99999|>=4.2,<=4.2.99999|>=5,<=5.0.99999|>=5.1,<=5.1.99999|>=5.2,<=5.2.99999|>=5.3,<=5.3.99999|>=5.4,<=5.4.99999|>=5.5,<=5.5.49|>=5.6,<=5.6.99999|>=5.7,<=5.7.99999|>=5.8,<=5.8.99999|>=6,<6.18.31|>=7,<7.22.4",
-                "illuminate/database": "<6.20.14|>=7,<7.30.4|>=8,<8.24",
+                "illuminate/database": "<6.20.26|>=7,<8.40",
                 "illuminate/encryption": ">=4,<=4.0.11|>=4.1,<=4.1.31|>=4.2,<=4.2.22|>=5,<=5.0.35|>=5.1,<=5.1.46|>=5.2,<=5.2.45|>=5.3,<=5.3.31|>=5.4,<=5.4.36|>=5.5,<5.5.40|>=5.6,<5.6.15",
                 "illuminate/view": ">=7,<7.1.2",
                 "impresscms/impresscms": "<=1.4.2",
@@ -9524,7 +9524,7 @@
                 "kitodo/presentation": "<3.1.2",
                 "kreait/firebase-php": ">=3.2,<3.8.1",
                 "la-haute-societe/tcpdf": "<6.2.22",
-                "laravel/framework": "<6.20.14|>=7,<7.30.4|>=8,<8.24",
+                "laravel/framework": "<6.20.26|>=7,<8.40",
                 "laravel/socialite": ">=1,<1.0.99|>=2,<2.0.10",
                 "league/commonmark": "<0.18.3",
                 "librenms/librenms": "<1.53",
@@ -9563,7 +9563,7 @@
                 "paragonie/random_compat": "<2",
                 "passbolt/passbolt_api": "<2.11",
                 "paypal/merchant-sdk-php": "<3.12",
-                "pear/archive_tar": "<1.4.13",
+                "pear/archive_tar": "<1.4.12",
                 "personnummer/personnummer": "<3.0.2",
                 "phpfastcache/phpfastcache": ">=5,<5.0.13",
                 "phpmailer/phpmailer": "<6.1.6",
@@ -9591,6 +9591,7 @@
                 "pusher/pusher-php-server": "<2.2.1",
                 "pwweb/laravel-core": "<=0.3.6-beta",
                 "rainlab/debugbar-plugin": "<3.1",
+                "rmccue/requests": ">=1.6,<1.8",
                 "robrichards/xmlseclibs": "<3.0.4",
                 "sabberworm/php-css-parser": ">=1,<1.0.1|>=2,<2.0.1|>=3,<3.0.1|>=4,<4.0.1|>=5,<5.0.9|>=5.1,<5.1.3|>=5.2,<5.2.1|>=6,<6.0.2|>=7,<7.0.4|>=8,<8.0.1|>=8.1,<8.1.1|>=8.2,<8.2.1|>=8.3,<8.3.1",
                 "sabre/dav": ">=1.6,<1.6.99|>=1.7,<1.7.11|>=1.8,<1.8.9",
@@ -9698,6 +9699,7 @@
                 "yiisoft/yii2-jui": "<2.0.4",
                 "yiisoft/yii2-redis": "<2.0.8",
                 "yourls/yourls": "<1.7.4",
+                "zendesk/zendesk_api_client_php": "<2.2.11",
                 "zendframework/zend-cache": ">=2.4,<2.4.8|>=2.5,<2.5.3",
                 "zendframework/zend-captcha": ">=2,<2.4.9|>=2.5,<2.5.2",
                 "zendframework/zend-crypt": ">=2,<2.4.9|>=2.5,<2.5.2",
@@ -9756,7 +9758,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-04-22T17:19:04+00:00"
+            "time": "2021-04-30T18:08:49+00:00"
         },
         {
             "name": "sebastian/cli-parser",