diff --git a/requirements.txt b/requirements.txt
index 807d042db..a5f22fec2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ python-telegram-bot==11.1.0
 arrow==0.12.1
 cachetools==2.1.0
 requests==2.19.1
-urllib3==1.22
+urllib3==1.23
 wrapt==1.10.11
 pandas==0.23.4
 scikit-learn==0.20.0