diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index 9d19c31..de6f07f 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -1,6 +1,9 @@
 name: test python
 
-on: [push, pull_request]
+on: 
+  pull_request:
+    types: [opened, reopened]
+  push:
 
 jobs:
   build:
@@ -8,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.10"]
+        python-version: ["3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5669e6c..a8ee4e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+## [0.5.1]
+
 ### Added
 - return of from_topas3 method from older versions of attune, for backcompat
 
@@ -73,7 +75,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 ### Added
 - initial release after a major rewrite
 
-[Unreleased]: https://github.com/wright-group/attune/compare/0.5.0...master
+[Unreleased]: https://github.com/wright-group/attune/compare/0.5.1...master
+[0.5.1]: https://github.com/wright-group/attune/compare/0.5.0...0.5.1
 [0.5.0]: https://github.com/wright-group/attune/compare/0.4.5...0.5.0
 [0.4.5]: https://github.com/wright-group/attune/compare/0.4.4...0.4.5
 [0.4.4]: https://github.com/wright-group/attune/compare/0.4.3...0.4.4
diff --git a/attune/VERSION b/attune/VERSION
index 8f0916f..4b9fcbe 100644
--- a/attune/VERSION
+++ b/attune/VERSION
@@ -1 +1 @@
-0.5.0
+0.5.1
diff --git a/setup.py b/setup.py
index 63a0346..d451858 100755
--- a/setup.py
+++ b/setup.py
@@ -56,10 +56,9 @@ def read(fname):
         "License :: OSI Approved :: MIT License",
         "Natural Language :: English",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Scientific/Engineering",
     ],
     entry_points={"console_scripts": ["attune = attune._cli:main"]},