diff --git a/pyproject.toml b/pyproject.toml
index c735848..f7d873e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ Changelog = "https://github.com/kuisathaverat/pytest_otel/releases"
 
 [project.optional-dependencies]
 test = [
-  "pytest-cov==5.0.0",
+  "pytest-cov==6.0.0",
   "pre-commit==4.0.1",
   "pytest-docker==3.1.1",
   "mypy==1.13.0",