diff --git a/dev-requirements.txt b/dev-requirements.txt
index 8281097..d9ac5aa 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -3,7 +3,6 @@ cffi==1.11.5
 cryptography==2.3
 pynacl==1.2.1
 pyasn1==0.4.4
-pycrypto==2.6.1
 --editable git://github.com/awwad/tuf.git@develop#egg=tuf
 --editable .
 tox==3.1.2