diff --git a/lib/install/install.go b/lib/install/install.go
index 5b2a515..6bd20d4 100644
--- a/lib/install/install.go
+++ b/lib/install/install.go
@@ -33,11 +33,11 @@ func InstallNps() {
 			if _, err := copyFile(filepath.Join(common.GetAppPath(), "nps"), "/usr/local/bin/nps"); err != nil {
 				log.Fatalln(err)
 			} else {
-				os.Chmod("/usr/local/bin/nps", 0777)
+				os.Chmod("/usr/local/bin/nps", 0755)
 				log.Println("Executable files have been copied to", "/usr/local/bin/nps")
 			}
 		} else {
-			os.Chmod("/usr/bin/nps", 0777)
+			os.Chmod("/usr/bin/nps", 0755)
 			log.Println("Executable files have been copied to", "/usr/bin/nps")
 		}