diff --git a/requirements/dev35.txt b/requirements/dev35.txt
index 2139cee..14207f2 100644
--- a/requirements/dev35.txt
+++ b/requirements/dev35.txt
@@ -205,7 +205,7 @@ twine==1.15.0
     # via
     #   -r requirements/dev.in
     #   setuptools-twine
-urllib3==1.26.4
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.3
     # via tox
diff --git a/requirements/dev36.txt b/requirements/dev36.txt
index 96bae83..cd4b31f 100644
--- a/requirements/dev36.txt
+++ b/requirements/dev36.txt
@@ -220,7 +220,7 @@ typing-extensions==3.7.4.3
     # via
     #   asgiref
     #   importlib-metadata
-urllib3==1.26.4
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.3
     # via tox
diff --git a/requirements/dev37.txt b/requirements/dev37.txt
index 5869981..f5f1b12 100644
--- a/requirements/dev37.txt
+++ b/requirements/dev37.txt
@@ -215,7 +215,7 @@ typing-extensions==3.7.4.3
     # via
     #   asgiref
     #   importlib-metadata
-urllib3==1.26.4
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.3
     # via tox
diff --git a/requirements/dev38.txt b/requirements/dev38.txt
index 94cb35c..9363540 100644
--- a/requirements/dev38.txt
+++ b/requirements/dev38.txt
@@ -205,7 +205,7 @@ twine==3.4.1
     # via
     #   -r requirements/dev.in
     #   setuptools-twine
-urllib3==1.26.4
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.3
     # via tox
diff --git a/requirements/dev39.txt b/requirements/dev39.txt
index 115e248..8fd7d33 100644
--- a/requirements/dev39.txt
+++ b/requirements/dev39.txt
@@ -205,7 +205,7 @@ twine==3.4.1
     # via
     #   -r requirements/dev.in
     #   setuptools-twine
-urllib3==1.26.4
+urllib3==1.26.5
     # via requests
 virtualenv==20.4.3
     # via tox