diff --git a/backend/requirements.txt b/backend/requirements.txt
index 8a695da..283dbbf 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -59,5 +59,5 @@ sphinxcontrib-websupport==1.0.1
 tox==3.0.0
 typed-ast==1.1.0
 u-msgpack-python==2.5.0
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.2.0
diff --git a/backend/setup.py b/backend/setup.py
index b40a772..1d556d0 100644
--- a/backend/setup.py
+++ b/backend/setup.py
@@ -95,7 +95,7 @@
         "tox==3.0.0",
         "typed-ast==1.1.0",
         "u-msgpack-python==2.5.0",
-        "urllib3==1.22",
+        "urllib3==1.26.5",
         "virtualenv==15.2.0",
     ],
 )