diff --git a/requirements.txt b/requirements.txt
index e48f674..a987c83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ idna==2.6
 nltk==3.2.5
 requests==2.18.4
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5
diff --git a/setup.py b/setup.py
index d52ff7b..70304ef 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
         'nltk==3.2.5',
         'requests==2.18.4',
         'six==1.11.0',
-        'urllib3==1.22',
+        'urllib3==1.26.5',
     ],
     'keywords': [
         'digital-humanities',