diff --git a/requirements-dev.txt b/requirements-dev.txt
index ea80646..d226c4f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -18,5 +18,5 @@ pytz==2017.3
 requests==2.18.4
 six==1.11.0
 stevedore==1.27.1
-urllib3==1.22
+urllib3==1.24.2
 yapf==0.19.0
diff --git a/requirements.txt b/requirements.txt
index 5a77dec..4d0c7a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ requests==2.18.4
 selenium==3.7.0
 six==1.11.0
 stevedore==1.27.1
-urllib3==1.22
+urllib3==1.24.2