diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1a816bb3..ad1e57fc 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -9,7 +9,7 @@ sanic==19.3.1  # pyup: update minor
 aiohttp==3.5.0  # pyup: update minor
 tornado==6.0  # pyup: update minor
 async_generator==1.10  # pyup: update minor
-quart==0.8.0;python_version>="3.7"  # pyup: update minor
+quart==0.9.1;python_version>="3.7"  # pyup: update minor
 
 # tests
 coverage==4.5.1  # pyup: update minor