diff --git a/pygenomeworks/requirements.txt b/pygenomeworks/requirements.txt
index 9f39de80..13081842 100644
--- a/pygenomeworks/requirements.txt
+++ b/pygenomeworks/requirements.txt
@@ -24,4 +24,4 @@ numpy~=1.17.5
 pytest==4.4.1
 setuptools>=41.4.0
 sortedcollections==1.1.2
-tqdm==4.31.1
+tqdm~=4.31