diff --git a/requirements-3.4.txt b/requirements-3.4.txt
index 76f5a43..74c7561 100644
--- a/requirements-3.4.txt
+++ b/requirements-3.4.txt
@@ -11,5 +11,5 @@ pylint==2.2.2
 requests==2.21.0
 setuptools-scm==3.5.0
 six==1.10.0
-urllib3==1.24.2
+urllib3==1.26.5
 wrapt==1.11.1
diff --git a/requirements.txt b/requirements.txt
index b2f26d7..c74e5fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,5 +10,5 @@ pyflakes==2.1.1
 pylint==2.6.0
 requests==2.21.0
 six==1.12.0
-urllib3==1.24.2
+urllib3==1.26.5
 wrapt==1.11.1