diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index 158ae05..9ee4883
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     install_requires=[
         "future",
         "rpyc==3.4.4;python_version<='2.7'",
-        "rpyc==4.0.2;python_version>'3'",
+        "rpyc==6.0.0;python_version>'3'",
         "six==1.16.0",
     ],
 )