diff --git a/fetch2core/src/main/java/com/tonyodev/fetch2core/DefaultStorageResolver.kt b/fetch2core/src/main/java/com/tonyodev/fetch2core/DefaultStorageResolver.kt
index 77ef4113..487893ae 100644
--- a/fetch2core/src/main/java/com/tonyodev/fetch2core/DefaultStorageResolver.kt
+++ b/fetch2core/src/main/java/com/tonyodev/fetch2core/DefaultStorageResolver.kt
@@ -32,7 +32,8 @@ open class DefaultStorageResolver(
             return false
         }
         return try {
-            getOutputResourceWrapper(file, context.contentResolver)
+            val outputResourceWrapper = getOutputResourceWrapper(file, context.contentResolver)
+            outputResourceWrapper.close()
             true
         } catch (e: Exception) {
             false
diff --git a/fetch2core/src/main/java/com/tonyodev/fetch2core/StorageResolverHelper.kt b/fetch2core/src/main/java/com/tonyodev/fetch2core/StorageResolverHelper.kt
index 1b0e63e8..cfa99330 100644
--- a/fetch2core/src/main/java/com/tonyodev/fetch2core/StorageResolverHelper.kt
+++ b/fetch2core/src/main/java/com/tonyodev/fetch2core/StorageResolverHelper.kt
@@ -259,6 +259,7 @@ fun allocateFile(file: File, contentLength: Long) {
         try {
             val randomAccessFile = RandomAccessFile(file, "rw")
             randomAccessFile.setLength(contentLength)
+            randomAccessFile.close()
         } catch (e: Exception) {
             throw IOException(FILE_ALLOCATION_ERROR)
         }