diff --git a/requirements.txt b/requirements.txt
index cf8da2d..f5e6210 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ python-dateutil==2.7.2
 python-editor==1.0.3
 six==1.11.0
 SQLAlchemy==1.2.6
-urllib3==1.22
+urllib3==1.26.5
 waitress==1.1.0
 Werkzeug==0.14.1
 WTForms==2.1
@@ -121,7 +121,7 @@ python-editor==1.0.3
 pytz==2018.4
 six==1.11.0
 SQLAlchemy==1.2.6
-urllib3==1.22
+urllib3==1.26.5
 visitor==0.1.3
 waitress==1.1.0
 Werkzeug==0.14.1
@@ -155,7 +155,7 @@ python-editor==1.0.3
 pytz==2018.4
 six==1.11.0
 SQLAlchemy==1.2.6
-urllib3==1.22
+urllib3==1.26.5
 visitor==0.1.3
 waitress==1.1.0
 Werkzeug==0.14.1
@@ -189,7 +189,7 @@ python-editor==1.0.3
 pytz==2018.4
 six==1.11.0
 SQLAlchemy==1.2.6
-urllib3==1.22
+urllib3==1.26.5
 visitor==0.1.3
 waitress==1.1.0
 Werkzeug==0.14.1