diff --git a/requirements.txt b/requirements.txt
index 9432476..961ff13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,6 +51,6 @@ toga-core==0.3.0.dev13
 travertino==0.1.2
 twilio==6.29.3
 uritemplate==4.1.1
-urllib3==1.23
+urllib3==1.26.5
 voc==0.1.6
 whichcraft==0.6.0
diff --git a/setup.py b/setup.py
index b38af70..98bd42b 100644
--- a/setup.py
+++ b/setup.py
@@ -88,7 +88,7 @@
         'travertino==0.1.2',
         'twilio==6.29.3',
         'uritemplate==4.1.1',
-        'urllib3==1.23',
+        'urllib3==1.26.5',
         'voc==0.1.6',
         'whichcraft==0.6.0'
         ],