diff --git a/dev/requirements_old.txt b/dev/requirements_old.txt
index 09761645e..842674c11 100644
--- a/dev/requirements_old.txt
+++ b/dev/requirements_old.txt
@@ -65,7 +65,7 @@ tensorflow-estimator==2.0.0
 termcolor==1.1.0
 tornado==6.0.3
 traitlets==4.3.2
-urllib3==1.25.6
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0
diff --git a/requirements.txt b/requirements.txt
index e27a454ee..42027a024 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -74,7 +74,7 @@ tensorflow-estimator==2.1.0
 termcolor==1.1.0
 tornado==6.0.3
 traitlets==4.3.2
-urllib3==1.25.8
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0
diff --git a/src/requirements.txt b/src/requirements.txt
index e27a454ee..42027a024 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -74,7 +74,7 @@ tensorflow-estimator==2.1.0
 termcolor==1.1.0
 tornado==6.0.3
 traitlets==4.3.2
-urllib3==1.25.8
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0