diff --git a/CMakeLists.txt b/CMakeLists.txt
index 87e8b6594..ba731fe51 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.19...3.30)
 project(
   FINUFFT
-  VERSION 2.2.0
+  VERSION 2.3.0-rc1
   LANGUAGES C CXX)
 
 # windows MSVC runtime flags policy
diff --git a/docs/conf.py b/docs/conf.py
index bd628a98e..9290766f3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -74,9 +74,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'2.2'
+version = u'2.3-rc1'
 # The full version, including alpha/beta/rc tags.
-release = u'2.2.0'
+release = u'2.3.0-rc1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/install.rst b/docs/install.rst
index ca8b38dde..ea0f8e583 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -51,13 +51,13 @@ Then add the following to your ``CMakeLists.txt``:
 .. code-block:: cmake
 
   # short version
-  CPMAddPackage("gh:flatironinstitute/finufft@2.2")
+  CPMAddPackage("gh:flatironinstitute/finufft@2.3.0-rc1")
 
   # alternative in case custom options are needed
   CPMAddPackage(
     NAME             Finufft
     GIT_REPOSITORY   https://github.com/flatironinstitute/finufft.git
-    GIT_TAG          2.2
+    GIT_TAG          2.3.0-rc1
     GIT_SHALLOW      Yes
     GIT_PROGRESS     Yes
     EXCLUDE_FROM_ALL Yes
diff --git a/include/finufft/defs.h b/include/finufft/defs.h
index 0784a8ae3..ad40f7677 100644
--- a/include/finufft/defs.h
+++ b/include/finufft/defs.h
@@ -65,7 +65,7 @@
 // ------------- Library-wide algorithm parameter settings ----------------
 
 // Library version (is a string)
-#define FINUFFT_VER          "2.2.0"
+#define FINUFFT_VER          "2.3.0-rc1"
 
 // Smallest possible kernel spread width per dimension, in fine grid points
 // (used only in spreadinterp.cpp)
diff --git a/matlab/Contents.m b/matlab/Contents.m
index 5fb562c5d..5567b7727 100644
--- a/matlab/Contents.m
+++ b/matlab/Contents.m
@@ -1,5 +1,5 @@
 % FINUFFT: Flatiron Institute Nonuniform Fast Fourier Transform
-% Version 2.2.0
+% Version 2.3.0-rc1
 %
 % Basic and many-vector interfaces
 %   finufft1d1 - 1D complex nonuniform FFT of type 1 (nonuniform to uniform).
diff --git a/python/cufinufft/cufinufft/__init__.py b/python/cufinufft/cufinufft/__init__.py
index 0b07853c5..5b20f5fbc 100644
--- a/python/cufinufft/cufinufft/__init__.py
+++ b/python/cufinufft/cufinufft/__init__.py
@@ -8,4 +8,4 @@
            "nufft3d1", "nufft3d2",
            "Plan"]
 
-__version__ = '2.2.0'
+__version__ = '2.3.0-rc1'
diff --git a/python/finufft/finufft/__init__.py b/python/finufft/finufft/__init__.py
index 698b568a9..690a4c8db 100644
--- a/python/finufft/finufft/__init__.py
+++ b/python/finufft/finufft/__init__.py
@@ -17,4 +17,4 @@
 from finufft._interfaces import nufft2d1,nufft2d2,nufft2d3
 from finufft._interfaces import nufft3d1,nufft3d2,nufft3d3
 
-__version__ = '2.2.0'
+__version__ = '2.3.0-rc1'