diff --git a/requirements/requirements_dep.txt b/requirements/requirements_dep.txt
index a8a325d4..ca804dc4 100644
--- a/requirements/requirements_dep.txt
+++ b/requirements/requirements_dep.txt
@@ -106,7 +106,7 @@ simplejson==3.20.1
 six==1.17.0
 ###################################
 # beautifulsoup4 -> soupsieve
-soupsieve==2.6
+soupsieve==2.8.1
 ###################################
 # stix2-validator -> stix2-patterns
 stix2-patterns==2.0.0