diff --git a/.gitignore b/.gitignore
index 82d93a0..0dd4411 100755
--- a/.gitignore
+++ b/.gitignore
@@ -38,6 +38,5 @@ target/
 *.rar
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-
-/upload.sh
+hs_err_pid
+!gradle/wrapper/gradle-wrapper.jar
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..e708b1c
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ