diff --git a/src/Drivers/PgSqlDriver.php b/src/Drivers/PgSqlDriver.php
index f23e4e2..b86ffaa 100644
--- a/src/Drivers/PgSqlDriver.php
+++ b/src/Drivers/PgSqlDriver.php
@@ -80,7 +80,7 @@ public function lock()
 			$this->dbal->exec('SELECT pg_advisory_lock(-2099128779216184107)');
 
 		} catch (\Exception $e) {
-			throw new LockException('Unable to acquire a lock.', NULL, $e);
+			throw new LockException('Unable to acquire a lock.', 0, $e);
 		}
 	}
 
@@ -91,7 +91,7 @@ public function unlock()
 			$this->dbal->exec('SELECT pg_advisory_unlock(-2099128779216184107)');
 
 		} catch (\Exception $e) {
-			throw new LockException('Unable to release a lock.', NULL, $e);
+			throw new LockException('Unable to release a lock.', 0, $e);
 		}
 	}
 
diff --git a/src/Engine/Runner.php b/src/Engine/Runner.php
index 2b91236..b36b240 100644
--- a/src/Engine/Runner.php
+++ b/src/Engine/Runner.php
@@ -175,7 +175,7 @@ protected function execute(File $file)
 			$queriesCount = $this->getExtension($file->extension)->execute($file);
 		} catch (\Exception $e) {
 			$this->driver->rollbackTransaction();
-			throw new ExecutionException(sprintf('Executing migration "%s" has failed.', $file->path), NULL, $e);
+			throw new ExecutionException(sprintf('Executing migration "%s" has failed.', $file->path), 0, $e);
 		}
 
 		$this->driver->markMigrationAsReady($migration);
diff --git a/tests/run-integration.sh b/tests/run-integration.sh
index 5fb5476..2f15ce7 100755
--- a/tests/run-integration.sh
+++ b/tests/run-integration.sh
@@ -72,12 +72,12 @@ composer_prepare_dependencies()
 	COMPOSER_PREFER_LOWEST="$2"
 
 	cp "$PROJECT_DIR/composer.bridgeless.json" "$PROJECT_DIR/composer.json"
+	echo "Composer: installing $COMPOSER_REQUIRE"
 
 	if [[ ! -z "$COMPOSER_REQUIRE" ]]; then
 		composer require \
 			--no-interaction \
 			--no-update \
-			--quiet \
 			--dev \
 			$COMPOSER_REQUIRE
 	fi
@@ -85,7 +85,6 @@ composer_prepare_dependencies()
 	composer update \
 		--no-interaction \
 		--no-progress \
-		--quiet \
 		$COMPOSER_PREFER_LOWEST
 }