diff --git a/README.rst b/README.rst
index 0c154185..156ca1c2 100644
--- a/README.rst
+++ b/README.rst
@@ -5,7 +5,7 @@
    :target: https://arxiv.org/abs/1506.00171
    :alt: Open-access paper
 
-PolyChord v 1.20.2
+PolyChord v 1.21.0
 
 Will Handley, Mike Hobson & Anthony Lasenby
 
diff --git a/pypolychord/__init__.py b/pypolychord/__init__.py
index 16f2deef..7c6e3ddb 100644
--- a/pypolychord/__init__.py
+++ b/pypolychord/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "1.20.2"
+__version__ = "1.21.0"
 from pypolychord.settings import PolyChordSettings
 from pypolychord.polychord import run_polychord