diff --git a/requirements_dev.txt b/requirements_dev.txt
index 44ac21a..8220712 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -35,7 +35,7 @@ spyne==2.13.12b0
 sqlparse==0.3.0
 tqdm==4.41.1
 twine==3.1.1
-urllib3==1.25.7
+urllib3==1.26.5
 vine==1.3.0
 wcwidth==0.1.8
 webencodings==0.5.1