diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 0d5421815b..f1257cb71a 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.12.2
+current_version = 0.12.3
 commit = True
 tag = True
 
diff --git a/README.md b/README.md
index 9b35c25e1a..d3fe484579 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.5657281.svg)](https://doi.org/10.5281/zenodo.5657281)
 [![Downloads](https://static.pepy.tech/badge/aspire/month)](https://pepy.tech/project/aspire)
 
-# ASPIRE - Algorithms for Single Particle Reconstruction - v0.12.2
+# ASPIRE - Algorithms for Single Particle Reconstruction - v0.12.3
 
 The ASPIRE-Python project supersedes [Matlab ASPIRE](https://github.com/PrincetonUniversity/aspire).
 
@@ -20,7 +20,7 @@ For more information about the project, algorithms, and related publications ple
 Please cite using the following DOI. This DOI represents all versions, and will always resolve to the latest one.
 
 ```
-ComputationalCryoEM/ASPIRE-Python: v0.12.2 https://doi.org/10.5281/zenodo.5657281
+ComputationalCryoEM/ASPIRE-Python: v0.12.3 https://doi.org/10.5281/zenodo.5657281
 
 ```
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 259319ca52..1ae8045688 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -86,7 +86,7 @@
 # built documents.
 #
 # The full version, including alpha/beta/rc tags.
-release = version = "0.12.2"
+release = version = "0.12.3"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 25fdeacec7..f34b7a1f4c 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -1,4 +1,4 @@
-Aspire v0.12.2
+Aspire v0.12.3
 ==============
 
 Algorithms for Single Particle Reconstruction
diff --git a/pyproject.toml b/pyproject.toml
index f48de5f41b..3cd57981ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "aspire"
-version = "0.12.2"
+version = "0.12.3"
 description = "Algorithms for Single Particle Reconstruction"
 readme = "README.md" # Optional
 requires-python = ">=3.8"
diff --git a/src/aspire/__init__.py b/src/aspire/__init__.py
index 993a9e3bf4..4a1419c7ed 100644
--- a/src/aspire/__init__.py
+++ b/src/aspire/__init__.py
@@ -12,7 +12,7 @@
 from aspire.exceptions import handle_exception
 
 # version in maj.min.bld format
-__version__ = "0.12.2"
+__version__ = "0.12.3"
 
 
 # Setup `confuse` config
diff --git a/src/aspire/config_default.yaml b/src/aspire/config_default.yaml
index 2a7725b1a2..def78983c0 100644
--- a/src/aspire/config_default.yaml
+++ b/src/aspire/config_default.yaml
@@ -1,4 +1,4 @@
-version: 0.12.2
+version: 0.12.3
 common:
     # numeric module to use - one of numpy/cupy
     numeric: numpy