diff --git a/backend/requirements.txt b/backend/requirements.txt
index 8b0e478..32b2045 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -31,7 +31,7 @@ requests==2.22.0
 six==1.13.0
 speaklater==1.3
 tzlocal==2.0.0
-urllib3==1.25.6
+urllib3==1.26.5
 Werkzeug==0.16.0
 WTForms==2.2.1
 xlrd==1.2.0
diff --git a/backend/requirements_mac.txt b/backend/requirements_mac.txt
index 47f4974..826efc6 100644
--- a/backend/requirements_mac.txt
+++ b/backend/requirements_mac.txt
@@ -35,7 +35,7 @@ requests==2.22.0
 six==1.13.0
 speaklater==1.3
 tzlocal==2.0.0
-urllib3==1.25.6
+urllib3==1.26.5
 Werkzeug==0.16.0
 WTForms==2.2.1
 xlrd==1.2.0
diff --git a/backend/requirements_win.txt b/backend/requirements_win.txt
index 633ee8c..59e9909 100644
--- a/backend/requirements_win.txt
+++ b/backend/requirements_win.txt
@@ -32,7 +32,7 @@ requests==2.22.0
 six==1.13.0
 speaklater==1.3
 tzlocal==2.0.0
-urllib3==1.25.6
+urllib3==1.26.5
 Werkzeug==0.16.0
 WTForms==2.2.1
 xlrd==1.2.0