diff --git a/requirements.txt b/requirements.txt
index 065c5a9d9b6..73ad78caadb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ stix2==3.0.1
 stix2-validator==3.1.3
 toml==0.10.2
 towncrier==22.12.0
-urllib3==1.26.15
+urllib3==1.26.18
 webassets==2.0
 
 # dev dependencies