diff --git a/requirements.txt b/requirements.txt
index 8d1146f..0fcd0ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,5 +26,5 @@ pytz==2021.1
 requests==2.22.0
 retrying==1.3.3
 six==1.14.0
-urllib3==1.25.8
+urllib3==1.26.5
 webencodings==0.5.1
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 5745446..6f19e3b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -41,5 +41,5 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.25.8
+urllib3==1.26.5
 webencodings==0.5.1