diff --git a/requirements.txt b/requirements.txt
index 6140f07..ed5ffc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ healpy>=1.12.9
 fitsio>=1.0.3
 numba>=0.43.1
 future>=0.17.1
-setuptools==27.2.0
+setuptools==65.5.1
 pyfftw>=0.11.1
 git+https://github.com/pyigm/pyigm.git
 linetools>=0.3.dev2130