diff --git a/pyproject.toml b/pyproject.toml
index 648ba6f..3558ccb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,6 +68,9 @@ omit = [
   "examples/*",
   "tests/*",
 ]
+patch = [
+  "subprocess",
+]
 
 [tool.coverage.report]
 fail_under = 0
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 53db9cc..f5ca866 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 poethepoet
 pyproject-fmt<3
 pytest<10
-pytest-cov<7
+pytest-cov<8
 ruff<0.15
 validate-pyproject<1