diff --git a/requirements-dev.txt b/requirements-dev.txt
index 613378e31..ed39f5711 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -61,7 +61,7 @@ sqlalchemy==1.3.17        # via -r requirements.in
 toml==0.10.1              # via pylint
 tqdm==4.46.0              # via twine
 twine==3.1.1              # via -r requirements-dev.in
-urllib3==1.25.9           # via requests, selenium
+urllib3==1.26.5           # via requests, selenium
 wcwidth==0.1.9            # via pytest
 webencodings==0.5.1       # via bleach
 wheel==0.34.2             # via -r requirements-dev.in