diff --git a/setup.cfg b/setup.cfg
index 99e74e9..4748a99 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,7 +37,7 @@ install_requires =
 tornado =
     tornado>=5
 dev =
-    coverage==5.5
+    coverage==7.2.7
     flake8==3.9.2
     flake8-import-order==0.18.1
     sphinx==4.1.1