diff --git a/pyproject.toml b/pyproject.toml
index 902ffcd..e469256 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "async-timeout==4.0.3",
-    "coverage==4.5.4",
+    "coverage==7.3.2",
     "flit==3.9.0",
 ]