diff --git a/requirements.txt b/requirements.txt
index 161418bd..f20d2fb1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,3 +55,4 @@ wheel>=0.24.0
 wild-sphinx-theme>=1.0.0
 xlrd>=0.9.3
 xmltodict>=0.9.0
+pyquickhelper>=1.0
\ No newline at end of file