diff --git a/requirements.txt b/requirements.txt
index 98652cb..ee11790 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ smmap2==2.0.5
 sphinx-rtd-theme==0.4.3
 toml==0.10.0
 typed-ast==1.4.0
-urllib3==1.25.7
+urllib3==1.26.5
 xgcm==0.2.0