diff --git a/python/requirements.txt b/python/requirements.txt
index c768843..8ab2eae 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -2,4 +2,4 @@
 -e git+git@github.com:atac-bham/pychapter10.git@2a15b2d2d8cf4ea469c91938317778f696e406f5#egg=Chapter10
 bitstring==3.1.2
 docopt==0.6.1
-tqdm==4.28.1
+tqdm==4.66.3