diff --git a/upload/File.php b/upload/File.php
index deb0b89..2c79b6c 100644
--- a/upload/File.php
+++ b/upload/File.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 class File extends Validate
 {
diff --git a/upload/FileInfo.php b/upload/FileInfo.php
index 56063d0..aa293f5 100644
--- a/upload/FileInfo.php
+++ b/upload/FileInfo.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 class FileInfo implements FileInfoInterface
 {
diff --git a/upload/FileInfoInterface.php b/upload/FileInfoInterface.php
index c903f0a..56d8c10 100644
--- a/upload/FileInfoInterface.php
+++ b/upload/FileInfoInterface.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 interface FileInfoInterface
 {
diff --git a/upload/MultiFile.php b/upload/MultiFile.php
index 37ca406..4c6756e 100644
--- a/upload/MultiFile.php
+++ b/upload/MultiFile.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 class MultiFile
 {
diff --git a/upload/Validate.php b/upload/Validate.php
index 0613dc0..1a3cb26 100644
--- a/upload/Validate.php
+++ b/upload/Validate.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 class Validate extends FileInfo implements ValidateInterface
 {
diff --git a/upload/ValidateInterface.php b/upload/ValidateInterface.php
index 226bd31..b1e0df7 100644
--- a/upload/ValidateInterface.php
+++ b/upload/ValidateInterface.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace upload;
+namespace Upload;
 
 interface ValidateInterface
 {