diff --git a/cassandra/requirements.txt b/cassandra/requirements.txt
old mode 100755
new mode 100644
index e95ec52..bc3f528
--- a/cassandra/requirements.txt
+++ b/cassandra/requirements.txt
@@ -4,4 +4,4 @@ googlefinance==0.7
 kafka-python==1.3.1
 schedule==0.3.2
 six==1.10.0
-wheel==0.24.0
+wheel==0.38.1