diff --git a/requirements-lint_to-freeze.txt b/requirements-lint_to-freeze.txt
index 4370315d0c..35eb0a31ab 100644
--- a/requirements-lint_to-freeze.txt
+++ b/requirements-lint_to-freeze.txt
@@ -1,3 +1,3 @@
 -r requirements-test.txt
 mypy
-urllib3==1.24.3
+urllib3==1.26.5
diff --git a/requirements-test_to-freeze.txt b/requirements-test_to-freeze.txt
index 63246749e6..fca439c40c 100644
--- a/requirements-test_to-freeze.txt
+++ b/requirements-test_to-freeze.txt
@@ -12,4 +12,4 @@ pytest-freezegun
 pytest-timeout==1.2.1
 pytest==3.6.3
 requests==2.21.0
-urllib3==1.24.3
+urllib3==1.26.5
diff --git a/requirements.txt b/requirements.txt
index b151fb90a7..8e0a910743 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -166,7 +166,7 @@ typing-extensions==3.7.4.1
 typing-inspect==0.5.0
 u-msgpack-python==2.5.0
 ujson==1.35
-urllib3==1.24.3
+urllib3==1.26.5
 watchdog==0.8.3
 web3==4.2.1
 websocket-client==0.47.0
diff --git a/requirements_to-freeze.txt b/requirements_to-freeze.txt
index 2a0869e30c..b33a03f187 100644
--- a/requirements_to-freeze.txt
+++ b/requirements_to-freeze.txt
@@ -63,7 +63,7 @@ transitions==0.7.2
 Twisted==19.7.0
 txaio==18.8.1
 ujson==1.35
-urllib3==1.24.3
+urllib3==1.26.5
 web3==4.2.1
 zope.interface==4.4.2
 zxcvbn-python