diff --git a/requirements.txt b/requirements.txt
index 49e4cf82..083c9d6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,4 +30,4 @@ sphinx==4.5.0
 sphinx-rtd-theme==1.0.0
 typing==3.7.4.3
 typeguard==2.13.3
-urllib3==1.26.7
+urllib3==1.26.18
diff --git a/setup.py b/setup.py
index d2c13195..9c6bff28 100644
--- a/setup.py
+++ b/setup.py
@@ -67,7 +67,7 @@
         'sphinx==4.5.0',  # readthedocs
         'typeguard==2.13.3',  # checking types
         'typing==3.7.4.3',
-        'urllib3==1.26.7',  # required by jira
+        'urllib3==1.26.18',  # required by jira
         'azure-mgmt-resource==23.0.1',
         'azure-mgmt-compute==30.1.0',
         'azure-mgmt-network==25.0.0'
diff --git a/tests_requirements.txt b/tests_requirements.txt
index ecc46795..1a07d342 100644
--- a/tests_requirements.txt
+++ b/tests_requirements.txt
@@ -15,4 +15,4 @@ requests==2.31.0
 retry==0.9.2
 typeguard==2.13.3
 SoftLayer==6.0.0
-urllib3==1.26.7
+urllib3==1.26.18