diff --git a/composer.lock b/composer.lock
index f59c62c5..9aa50cf0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1476,12 +1476,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/nextcloud-deps/ocp.git",
-                "reference": "1787ce259afa7296eec0c8b037976987eba134ac"
+                "reference": "baf13f74c7bad9e134b8b95fbea945d5bee1d98d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/1787ce259afa7296eec0c8b037976987eba134ac",
-                "reference": "1787ce259afa7296eec0c8b037976987eba134ac",
+                "url": "https://api.github.com/repos/nextcloud-deps/ocp/zipball/baf13f74c7bad9e134b8b95fbea945d5bee1d98d",
+                "reference": "baf13f74c7bad9e134b8b95fbea945d5bee1d98d",
                 "shasum": ""
             },
             "require": {
@@ -1513,7 +1513,7 @@
                 "issues": "https://github.com/nextcloud-deps/ocp/issues",
                 "source": "https://github.com/nextcloud-deps/ocp/tree/master"
             },
-            "time": "2023-05-04T00:35:11+00:00"
+            "time": "2023-05-13T00:33:05+00:00"
         },
         {
             "name": "nikic/php-parser",
diff --git a/lib/Migrator/FilesMigrator.php b/lib/Migrator/FilesMigrator.php
index 99a3d470..3576f37a 100644
--- a/lib/Migrator/FilesMigrator.php
+++ b/lib/Migrator/FilesMigrator.php
@@ -92,7 +92,7 @@ public function __construct(
 	/**
 	 * {@inheritDoc}
 	 */
-	public function getEstimatedExportSize(IUser $user): int {
+	public function getEstimatedExportSize(IUser $user): int|float {
 		$uid = $user->getUID();
 		$userFolder = $this->root->getUserFolder($uid);
 		$nodeFilter = function (Node $node): bool {
@@ -128,13 +128,13 @@ public function getEstimatedExportSize(IUser $user): int {
 		// 2MiB for comments
 		$size += 2048;
 
-		return (int)ceil($size);
+		return ceil($size);
 	}
 
 	/**
 	 * Estimate size of folder in bytes, applying a filter
 	 */
-	private function estimateFolderSize(Folder $folder, ?callable $nodeFilter = null): int {
+	private function estimateFolderSize(Folder $folder, ?callable $nodeFilter = null): int|float {
 		$size = 0;
 		$nodes = $folder->getDirectoryListing();
 		foreach ($nodes as $node) {
@@ -147,7 +147,7 @@ private function estimateFolderSize(Folder $folder, ?callable $nodeFilter = null
 				$size += $this->estimateFolderSize($node, $nodeFilter);
 			}
 		}
-		return (int)$size;
+		return $size;
 	}
 
 	/**
diff --git a/lib/Service/UserMigrationService.php b/lib/Service/UserMigrationService.php
index 6c5ce7f1..5d1dbde0 100644
--- a/lib/Service/UserMigrationService.php
+++ b/lib/Service/UserMigrationService.php
@@ -110,11 +110,11 @@ public function __construct(
 	/**
 	 * @param ?string[] $filteredMigratorList If not null, only these migrators will run. If empty only the main account data will be exported.
 	 *
-	 * @return int Estimated size in KiB
+	 * @return int|float Estimated size in KiB
 	 *
 	 * @throws UserMigrationException
 	 */
-	public function estimateExportSize(IUser $user, ?array $filteredMigratorList = null): int {
+	public function estimateExportSize(IUser $user, ?array $filteredMigratorList = null): int|float {
 		// 1MiB for base user data
 		$size = 1024;
 
@@ -124,6 +124,7 @@ public function estimateExportSize(IUser $user, ?array $filteredMigratorList = n
 			}
 			$cacheKey = $user->getUID() . '::' . $migrator->getId();
 			if ($this->internalCache->hasKey($cacheKey)) {
+				/** @var int|float $size */
 				$size += $this->internalCache->get($cacheKey);
 				continue;
 			}
@@ -134,6 +135,7 @@ public function estimateExportSize(IUser $user, ?array $filteredMigratorList = n
 					throw new UserMigrationException('Could not estimate export size for ' . $migrator->getDisplayName(), 0, $e);
 				}
 				$this->internalCache->set($cacheKey, $migratorSize);
+				/** @var int|float $size */
 				$size += $migratorSize;
 			}
 		}
@@ -149,7 +151,7 @@ public function estimateExportSize(IUser $user, ?array $filteredMigratorList = n
 	public function checkExportability(IUser $user, ?array $filteredMigratorList = null): void {
 		try {
 			$userFolder = $this->root->getUserFolder($user->getUID());
-			$freeSpace = (int)ceil($userFolder->getFreeSpace() / 1024);
+			$freeSpace = ceil($userFolder->getFreeSpace() / 1024);
 		} catch (Throwable $e) {
 			throw new NotExportableException('Error calculating amount of free storage space available');
 		}
@@ -173,7 +175,7 @@ public function checkExportability(IUser $user, ?array $filteredMigratorList = n
 
 		$freeSpaceAfterExport = ($freeSpace - $exportSize) / 1024;
 		if ($freeSpaceAfterExport < 0) {
-			throw new NotExportableException('Insufficient storage space available, please free up ' . (int)abs($freeSpaceAfterExport) . ' MiB or more to be able to export your data without running out of space');
+			throw new NotExportableException('Insufficient storage space available, please free up ' . abs($freeSpaceAfterExport) . ' MiB or more to be able to export your data without running out of space');
 		}
 	}