diff --git a/requirements_dev.txt b/requirements_dev.txt
index 971f7e0..53ca411 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -25,7 +25,7 @@ pyflakes==1.5.0
 Pygments==2.2.0
 pytz==2017.2
 PyYAML==3.12
-requests==2.18.2
+requests==2.31.0
 six==1.10.0
 snowballstemmer==1.2.1
 Sphinx==1.6.3