diff --git a/pyproject.toml b/pyproject.toml
index b327a15..9e8489a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "async-timeout==4.0.3",
-    "coverage==7.6.1",
+    "coverage==7.6.4",
     "flit==3.9.0",
 ]