diff --git a/requirements-dev.txt b/requirements-dev.txt
index bd37509..18e7283 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -35,7 +35,7 @@ requests-toolbelt==0.8.0
 simplegeneric==0.8.1
 six==1.11.0
 tornado==4.5.2
-tqdm==4.23.4
+tqdm==4.66.3
 traitlets==4.3.2
 twine==1.11.0
 typed-ast==1.3.2