diff --git a/requirements.txt b/requirements.txt
index 6d3db7d657f90c0ffd9c8cb552a29f3997e7dfc7..6d8d4b42448331a8dced95bdbcc0150a99b0e162 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-dynesty
+dynesty<1.1
 emcee
 corner
 numpy