diff --git a/Charts-swift4/Gemfile.lock b/Charts-swift4/Gemfile.lock
old mode 100755
new mode 100644
index 8cc5c06..b89bc64
--- a/Charts-swift4/Gemfile.lock
+++ b/Charts-swift4/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     nanaimo (0.2.3)
     nap (1.1.0)
     netrc (0.7.8)
-    rake (12.0.0)
+    rake (12.3.3)
     rouge (1.11.1)
     thread_safe (0.3.5)
     tzinfo (1.2.2)