diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f35115981..f76c44ef8
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 pycrypto>=2.6
-pyasn1>=0.1.8
+pyasn1>=0.6.2
 gevent>=1.2.0
 requests>=2.9.1
 bs4