diff --git a/requirements.txt b/requirements.txt
index 9ef7938a64389bcbf44fa461eb95176aad1e431a..62f10f6f65cbbb474fe2b5780a8359c45505645a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,5 @@ numpy==1.26.1
 scipy==1.11.3
 astropy==5.3.4
 pysynphot==2.0.0
-hcipy==0.6.0
\ No newline at end of file
+hcipy==0.6.0
+setuptools==68.2.2