diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
index 5d8853c..79030d5 100755
--- a/.azure-pipelines/azure-pipelines-osx.yml
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -5,7 +5,7 @@
 jobs:
 - job: osx
   pool:
-    vmImage: macOS-11
+    vmImage: macOS-12
   strategy:
     matrix:
       osx_64_python3.10.____cpython:
diff --git a/.ci_support/osx_64_python3.10.____cpython.yaml b/.ci_support/osx_64_python3.10.____cpython.yaml
index 7ed693a..5df62ae 100644
--- a/.ci_support/osx_64_python3.10.____cpython.yaml
+++ b/.ci_support/osx_64_python3.10.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -7,7 +9,7 @@ c_compiler_version:
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
-- '10.9'
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.11.____cpython.yaml b/.ci_support/osx_64_python3.11.____cpython.yaml
index b4061b9..a914e4f 100644
--- a/.ci_support/osx_64_python3.11.____cpython.yaml
+++ b/.ci_support/osx_64_python3.11.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -7,7 +9,7 @@ c_compiler_version:
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
-- '10.9'
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.12.____cpython.yaml b/.ci_support/osx_64_python3.12.____cpython.yaml
index ef5d992..6d35967 100644
--- a/.ci_support/osx_64_python3.12.____cpython.yaml
+++ b/.ci_support/osx_64_python3.12.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -7,7 +9,7 @@ c_compiler_version:
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
-- '10.9'
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.8.____cpython.yaml b/.ci_support/osx_64_python3.8.____cpython.yaml
index 164f63b..f964291 100644
--- a/.ci_support/osx_64_python3.8.____cpython.yaml
+++ b/.ci_support/osx_64_python3.8.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -7,7 +9,7 @@ c_compiler_version:
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
-- '10.9'
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_python3.9.____cpython.yaml b/.ci_support/osx_64_python3.9.____cpython.yaml
index 83e3f14..537c26a 100644
--- a/.ci_support/osx_64_python3.9.____cpython.yaml
+++ b/.ci_support/osx_64_python3.9.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
-- '10.9'
+- '10.13'
+MACOSX_SDK_VERSION:
+- '10.13'
 c_compiler:
 - clang
 c_compiler_version:
@@ -7,7 +9,7 @@ c_compiler_version:
 c_stdlib:
 - macosx_deployment_target
 c_stdlib_version:
-- '10.9'
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_arm64_python3.10.____cpython.yaml b/.ci_support/osx_arm64_python3.10.____cpython.yaml
index b89599e..fdfa66f 100644
--- a/.ci_support/osx_arm64_python3.10.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.10.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.ci_support/osx_arm64_python3.11.____cpython.yaml b/.ci_support/osx_arm64_python3.11.____cpython.yaml
index e49ab49..1f166d3 100644
--- a/.ci_support/osx_arm64_python3.11.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.11.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.ci_support/osx_arm64_python3.12.____cpython.yaml b/.ci_support/osx_arm64_python3.12.____cpython.yaml
index 891f30c..33d2a01 100644
--- a/.ci_support/osx_arm64_python3.12.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.12.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.ci_support/osx_arm64_python3.8.____cpython.yaml b/.ci_support/osx_arm64_python3.8.____cpython.yaml
index d4d3e0b..db10e2f 100644
--- a/.ci_support/osx_arm64_python3.8.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.8.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.ci_support/osx_arm64_python3.9.____cpython.yaml b/.ci_support/osx_arm64_python3.9.____cpython.yaml
index 400c2e8..7f2d067 100644
--- a/.ci_support/osx_arm64_python3.9.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.9.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
 c_compiler:
 - clang
 c_compiler_version:
diff --git a/.gitattributes b/.gitattributes
index 7f32763..18f114a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -20,8 +20,8 @@ bld.bat text eol=crlf
 .travis.yml linguist-generated=true
 .scripts/* linguist-generated=true
 .woodpecker.yml linguist-generated=true
-LICENSE.txt linguist-generated=true
-README.md linguist-generated=true
+/LICENSE.txt linguist-generated=true
+/README.md linguist-generated=true
 azure-pipelines.yml linguist-generated=true
 build-locally.py linguist-generated=true
 shippable.yml linguist-generated=true
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index baecec7..e487196 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,6 +1,6 @@
 {% set name = "westpa" %}
-{% set version = "2022.08" %}
-{% set sha256 = "f785fbe06011ebf7abcd5e65a6e5a63a24094ca37c63720e4685e44e0dd26fee" %}
+{% set version = "2022.09" %}
+{% set sha256 = "66211eb7686f9b485d0f89a2b35a39e6538623e46113edc84dfbf2e55353070f" %}
 
 package:
   name: {{ name|lower }}
@@ -12,7 +12,7 @@ source:
   sha256: {{ sha256 }}
 
 build:
-  number: 1
+  number: 0
   skip: True  # [win or py2k]
   script: "{{ PYTHON }} -m pip install . -vv --no-deps"