diff --git a/requirements.txt b/requirements.txt
index c893313..0103e02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ Sphinx==2.1.2
 twine==1.13.0
 xlrd==1.2.0
 pandas==0.25.0
-click==7.0
+click==8.1.2
 click-log==0.3.2
 cutadapt==2.4