diff --git a/.azure-pipelines/azure-pipelines-linux.yml b/.azure-pipelines/azure-pipelines-linux.yml
index 3adf3ac..8edf22a 100755
--- a/.azure-pipelines/azure-pipelines-linux.yml
+++ b/.azure-pipelines/azure-pipelines-linux.yml
@@ -40,6 +40,11 @@ jobs:
         export CI=azure
         export GIT_BRANCH=$BUILD_SOURCEBRANCHNAME
         export FEEDSTOCK_NAME=$(basename ${BUILD_REPOSITORY_NAME})
+        if [[ "${BUILD_REASON:-}" == "PullRequest" ]]; then
+          export IS_PR_BUILD="True"
+        else
+          export IS_PR_BUILD="False"
+        fi
         .scripts/run_docker_build.sh
     displayName: Run docker build
     env:
diff --git a/.azure-pipelines/azure-pipelines-osx.yml b/.azure-pipelines/azure-pipelines-osx.yml
index 46f2d97..7c4c40e 100755
--- a/.azure-pipelines/azure-pipelines-osx.yml
+++ b/.azure-pipelines/azure-pipelines-osx.yml
@@ -26,6 +26,11 @@ jobs:
       export OSX_FORCE_SDK_DOWNLOAD="1"
       export GIT_BRANCH=$BUILD_SOURCEBRANCHNAME
       export FEEDSTOCK_NAME=$(basename ${BUILD_REPOSITORY_NAME})
+      if [[ "${BUILD_REASON:-}" == "PullRequest" ]]; then
+        export IS_PR_BUILD="True"
+      else
+        export IS_PR_BUILD="False"
+      fi
       ./.scripts/run_osx_build.sh
     displayName: Run OSX build
     env:
diff --git a/.gitattributes b/.gitattributes
index 9060b27..ce52713 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -18,6 +18,7 @@ bld.bat text eol=crlf
 .gitignore linguist-generated=true
 .travis.yml linguist-generated=true
 .scripts/* linguist-generated=true
+.woodpecker.yml linguist-generated=true
 LICENSE.txt linguist-generated=true
 README.md linguist-generated=true
 azure-pipelines.yml linguist-generated=true
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index 71a0686..a85ae38 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -25,7 +25,8 @@ conda-build:
  root-dir: ${FEEDSTOCK_ROOT}/build_artifacts
 
 CONDARC
-BUILD_CMD=build
+GET_BOA=boa
+BUILD_CMD=mambabuild
 
 conda install --yes --quiet "conda-forge-ci-setup=3" conda-build pip ${GET_BOA:-} -c conda-forge
 
@@ -38,6 +39,7 @@ source run_conda_forge_build_setup
 make_build_number "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
 
 
+
 ( endgroup "Configuring conda" ) 2> /dev/null
 
 if [[ "${BUILD_WITH_CONDA_DEBUG:-0}" == 1 ]]; then
@@ -62,7 +64,7 @@ else
 
     ( startgroup "Uploading packages" ) 2> /dev/null
 
-    if [[ "${UPLOAD_PACKAGES}" != "False" ]]; then
+    if [[ "${UPLOAD_PACKAGES}" != "False" ]] && [[ "${IS_PR_BUILD}" == "False" ]]; then
         upload_package --validate --feedstock-name="${FEEDSTOCK_NAME}"  "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
     fi
 
diff --git a/.scripts/run_docker_build.sh b/.scripts/run_docker_build.sh
index 244ccd1..0c6515f 100755
--- a/.scripts/run_docker_build.sh
+++ b/.scripts/run_docker_build.sh
@@ -75,12 +75,15 @@ fi
 ( startgroup "Start Docker" ) 2> /dev/null
 
 export UPLOAD_PACKAGES="${UPLOAD_PACKAGES:-True}"
+export IS_PR_BUILD="${IS_PR_BUILD:-False}"
+docker pull "${DOCKER_IMAGE}"
 docker run ${DOCKER_RUN_ARGS} \
            -v "${RECIPE_ROOT}":/home/conda/recipe_root:rw,z,delegated \
            -v "${FEEDSTOCK_ROOT}":/home/conda/feedstock_root:rw,z,delegated \
            -e CONFIG \
            -e HOST_USER_ID \
            -e UPLOAD_PACKAGES \
+           -e IS_PR_BUILD \
            -e GIT_BRANCH \
            -e UPLOAD_ON_BRANCH \
            -e CI \
@@ -91,9 +94,9 @@ docker run ${DOCKER_RUN_ARGS} \
            -e BINSTAR_TOKEN \
            -e FEEDSTOCK_TOKEN \
            -e STAGING_BINSTAR_TOKEN \
-           $DOCKER_IMAGE \
+           "${DOCKER_IMAGE}" \
            bash \
-           /home/conda/feedstock_root/${PROVIDER_DIR}/build_steps.sh
+           "/home/conda/feedstock_root/${PROVIDER_DIR}/build_steps.sh"
 
 # verify that the end of the script was reached
 test -f "$DONE_CANARY"
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index 96d0278..d6de123 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -9,15 +9,17 @@ MINIFORGE_HOME=${MINIFORGE_HOME:-${HOME}/miniforge3}
 ( startgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
 
 MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download"
-MINIFORGE_FILE="Miniforge3-MacOSX-x86_64.sh"
+MINIFORGE_FILE="Miniforge3-MacOSX-$(uname -m).sh"
 curl -L -O "${MINIFORGE_URL}/${MINIFORGE_FILE}"
+rm -rf ${MINIFORGE_HOME}
 bash $MINIFORGE_FILE -b -p ${MINIFORGE_HOME}
 
 ( endgroup "Installing a fresh version of Miniforge" ) 2> /dev/null
 
 ( startgroup "Configuring conda" ) 2> /dev/null
 
-BUILD_CMD=build
+GET_BOA=boa
+BUILD_CMD=mambabuild
 
 source ${MINIFORGE_HOME}/etc/profile.d/conda.sh
 conda activate base
@@ -62,7 +64,7 @@ validate_recipe_outputs "${FEEDSTOCK_NAME}"
 
 ( startgroup "Uploading packages" ) 2> /dev/null
 
-if [[ "${UPLOAD_PACKAGES}" != "False" ]]; then
+if [[ "${UPLOAD_PACKAGES}" != "False" ]] && [[ "${IS_PR_BUILD}" == "False" ]]; then
   upload_package --validate --feedstock-name="${FEEDSTOCK_NAME}" ./ ./recipe ./.ci_support/${CONFIG}.yaml
 fi
 
diff --git a/README.md b/README.md
index 5c4feab..4876acc 100644
--- a/README.md
+++ b/README.md
@@ -111,7 +111,8 @@ conda search libsemigroups_pybind11 --channel conda-forge
 About conda-forge
 =================
 
-[![Powered by NumFOCUS](https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat&colorA=E1523D&colorB=007D8A)](http://numfocus.org)
+[![Powered by
+NumFOCUS](https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat&colorA=E1523D&colorB=007D8A)](https://numfocus.org)
 
 conda-forge is a community-led conda channel of installable packages.
 In order to provide high-quality builds, the process has been automated into the
diff --git a/build-locally.py b/build-locally.py
index 00eeb34..8b74348 100755
--- a/build-locally.py
+++ b/build-locally.py
@@ -13,6 +13,7 @@
 def setup_environment(ns):
     os.environ["CONFIG"] = ns.config
     os.environ["UPLOAD_PACKAGES"] = "False"
+    os.environ["IS_PR_BUILD"] = "True"
     if ns.debug:
         os.environ["BUILD_WITH_CONDA_DEBUG"] = "1"
         if ns.output_id:
@@ -21,6 +22,10 @@ def setup_environment(ns):
         os.environ["MINIFORGE_HOME"] = os.path.join(
             os.path.dirname(__file__), "miniforge3"
         )
+    if "OSX_SDK_DIR" not in os.environ:
+        os.environ["OSX_SDK_DIR"] = os.path.join(
+            os.path.dirname(__file__), "SDKs"
+        )
 
 
 def run_docker_build(ns):
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 925e1c9..000a513 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "libsemigroups_pybind11" %}
-{% set version = "0.1.1" %}
+{% set version = "0.1.4" %}
 
 package:
   name: libsemigroups_pybind11
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://github.com/libsemigroups/libsemigroups_pybind11/archive/refs/tags/v{{ version }}.tar.gz
-  sha256: a51878de09443d9e632a0c502aaa47b314a54ee793731c20f1874896890dfecb
+  sha256: a27ca74884c5a608b83c60586a3b308ea6bbe5c4a6b2c11ea77fb337bef1bf33
 
 build:
   number: 0
@@ -44,7 +44,7 @@ about:
   license: GPL-3.0-or-later
   license_family: GPL
   license_file: LICENSE
-  summary: 'Python package for using the C++ library libsemigroups via pybind11'
+  summary: Python package for using the C++ library libsemigroups via pybind11
   dev_url: https://github.com/libsemigroups/libsemigroups_pybind11
 
 extra: