diff --git a/crates/wgpy_pyo3/requirements-dev.txt b/crates/wgpy_pyo3/requirements-dev.txt
index 0960da0..2f405e0 100644
--- a/crates/wgpy_pyo3/requirements-dev.txt
+++ b/crates/wgpy_pyo3/requirements-dev.txt
@@ -1,7 +1,7 @@
 numpy==1.26.4
 maturin==1.7.4
 pytest==8.3.2
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest-xdist==3.6.1
 numpydoc==1.8.0
 sphinx-copybutton==0.5.2