diff --git a/dev-requirements.txt b/dev-requirements.txt
index fd1a6a90..3ea77516 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -119,7 +119,7 @@ tabulate==0.8.3
 toml==0.10.0              # via pre-commit, pre-commit-hooks
 typed-ast==1.4.0          # via mypy
 typing-extensions==3.7.4.1  # via mypy
-urllib3==1.24.1
+urllib3==1.25.9
 virtualenv==16.7.9        # via pre-commit
 wcwidth==0.1.7            # via pytest
 websocket-client==0.57.0  # via docker