diff --git a/requirements.txt b/requirements.txt
index 8d79f2e..89cce1c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ idna==2.5
 pymongo==3.4.0
 PyYAML==3.12
 requests==2.18.1
-urllib3==1.21.1
+urllib3==1.26.5
diff --git a/web/requirements.txt b/web/requirements.txt
index f345000..3efb995 100644
--- a/web/requirements.txt
+++ b/web/requirements.txt
@@ -18,6 +18,6 @@ pymongo==3.4.0
 pytz==2017.2
 PyYAML==3.12
 requests==2.18.1
-urllib3==1.21.1
+urllib3==1.26.5
 vine==1.1.4
 Werkzeug==0.12.2