diff --git a/requirements.dev.txt b/requirements.dev.txt
index d32db57..435362f 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -127,7 +127,7 @@ rfc3339-validator==0.1.4
 rfc3986-validator==0.1.1
 send2trash==1.8.2
 sniffio==1.3.0
-soupsieve==2.8.4
+soupsieve==2.9
 stack-data==0.6.3
 tabulate==0.8.10
 terminado==0.17.1