diff --git a/setup.py b/setup.py
index 5419ed3..6ecc7eb 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,6 @@
     ],
     packages=find_packages(),
     python_requires=">=3.5",
-    install_requires=["astropy", "cobaya>=3.0"],
+    install_requires=["astropy", "cobaya>=3.4"],
     package_data={"planck_2020_hillipop": ["*.yaml", "*.bibtex"]},
 )