diff --git a/.circleci/config.yml b/.circleci/config.yml
index b88e0e5..575fb13 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ version: 2
 jobs:
   build:
     docker:
-      - image: cimg/python:3.9.2
+      - image: cimg/python:3.11
 
     steps:
       - checkout  # checkout source code to working directory
diff --git a/cryptorandom/__init__.py b/cryptorandom/__init__.py
index 7093e6d..1074ecf 100644
--- a/cryptorandom/__init__.py
+++ b/cryptorandom/__init__.py
@@ -9,6 +9,6 @@
 See https://statlab.github.io/cryptorandom/ for complete documentation.
 """
 
-__version__ = "0.4rc1.dev0"
+__version__ = "0.4"
 
 from cryptorandom import *
diff --git a/doc/release/release_0.4.txt b/doc/release/release_0.4.txt
new file mode 100644
index 0000000..ba9228a
--- /dev/null
+++ b/doc/release/release_0.4.txt
@@ -0,0 +1,39 @@
+Announcement: cryptorandom 0.4.0
+================================
+
+We're happy to announce the release of cryptorandom v0.4.0!
+
+cryptorandom is a cryptographic quality PRNG and sampling module for Python.
+
+For more information, examples, and documentation, please visit our website:
+
+http://statlab.github.io/cryptorandom/
+
+
+New Features
+------------
+
+
+
+Improvements
+------------
+sample.random_allocation() returns the samples in the size-order requested. The previous version returned them from smallest to largest.
+
+
+
+
+API Changes
+-----------
+
+
+
+
+Deprecations
+------------
+
+
+Contributors to this release
+----------------------------
+(Listed alphabetically by last name)
+Stark, Philip B.
+
diff --git a/doc/release/release_dev.txt b/doc/release/release_dev.txt
index 9d4e3a1..aea1dd3 100644
--- a/doc/release/release_dev.txt
+++ b/doc/release/release_dev.txt
@@ -1,7 +1,7 @@
 Announcement: cryptorandom 0.4.0
 ================================
 
-We're happy to announce the release of cryptorandom v0.4.0!
+We're happy to announce the release of cryptorandom v0.5.0!
 
 cryptorandom is a cryptographic quality PRNG and sampling module for Python.
 
diff --git a/setup.py b/setup.py
index c703012..40baa10 100755
--- a/setup.py
+++ b/setup.py
@@ -3,9 +3,9 @@
 
 
 
-if sys.version_info[:2] < (3, 7):
+if sys.version_info[:2] < (3, 11):
     error = (
-        "cryptorandom 0.3+ requires Python 3.7 or later (%d.%d detected). \n"
+        "cryptorandom 0.4+ requires Python 3.11 or later (%d.%d detected). \n"
         % sys.version_info[:2]
     )
     sys.stderr.write(error + "\n")
@@ -53,15 +53,15 @@ def parse_requirements_file(filename):
         download_url=DOWNLOAD_URL,
 
         classifiers=[
-            'Development Status :: 3 - Alpha',
+            'Development Status :: 4 - Alpha',
             'Environment :: Console',
             'Intended Audience :: Developers',
             'Intended Audience :: Science/Research',
             'License :: OSI Approved :: BSD License',
             'Programming Language :: Python',
-            'Programming Language :: Python :: 3.7',
-            'Programming Language :: Python :: 3.8',
-            'Programming Language :: Python :: 3.9',
+            'Programming Language :: Python :: 3.11',
+            'Programming Language :: Python :: 3.12',
+            'Programming Language :: Python :: 3.13',
             'Topic :: Scientific/Engineering',
             'Operating System :: Microsoft :: Windows',
             'Operating System :: POSIX',