diff --git a/requirements.txt b/requirements.txt
index e5e5e01caa..2758df5d74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,4 +66,5 @@ werkzeug==0.16.1
 # It is not included by default because of the GPL license conflict.
 # ldap3==2.2.4
 Authlib==0.15.5
-advocate==1.0.0
\ No newline at end of file
+advocate==1.0.0
+urllib3>=1.26.5 # not directly required, pinned by Snyk to avoid a vulnerability
\ No newline at end of file