diff --git a/pyproject.toml b/pyproject.toml
index d93549f..3604791 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -121,7 +121,7 @@ optional-dependencies.release = [
 ]
 optional-dependencies.test = [
   "pytest<9",
-  "pytest-cov<6",
+  "pytest-cov<7",
 ]
 urls.changelog = "https://github.com/daq-tools/influxio/blob/main/CHANGES.rst"
 urls.documentation = "https://github.com/daq-tools/influxio"