diff --git a/requirements.txt b/requirements.txt
index b373d20b..9feb3801 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ simplejson==3.10.0
 six==1.10.0
 SQLAlchemy==1.1.5
 stevedore==1.20.0
-urllib3==1.20
+urllib3==1.26.5
 Werkzeug==0.11.15
 wrapt==1.10.8
 WTForms==2.1
diff --git a/requirements3.txt b/requirements3.txt
index f72bd941..822481c8 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -70,7 +70,7 @@ simplejson==3.8.2
 six==1.10.0
 SQLAlchemy==1.0.15
 stevedore==1.17.1
-urllib3==1.18
+urllib3==1.26.5
 Werkzeug==0.11.11
 wrapt==1.10.8
 WTForms==2.1