Apply suggestion from @beckermr

Author: beckermr

pyproject.toml

@@ -13,7 +13,7 @@ readme          = "README.md"
 dependencies    = ["numpy >=1.18.0", "galsim >=2.7.0", "jax >=0.6.0", "astropy >=2.0", "quadax", "equinox"]
 
 [project.optional-dependencies]
-dev  = ["pytest~=8", "pytest-codspeed", "pytest-randomly", "pytest-split", "pytest-retry", "pytest-xdist"]
+dev  = ["pytest=8", "pytest-codspeed", "pytest-randomly", "pytest-split", "pytest-retry", "pytest-xdist"]
 docs = ["sphinx>=7.0", "furo>=2024.1.29", "sphinx-design>=0.5", "sphinx-copybutton"]
 
 [project.urls]