diff --git a/.ci_support/linux_64_python3.10.____cpython.yaml b/.ci_support/linux_64_python3.10.____cpython.yaml
index dc4d148..03a7405 100644
--- a/.ci_support/linux_64_python3.10.____cpython.yaml
+++ b/.ci_support/linux_64_python3.10.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_64_python3.11.____cpython.yaml b/.ci_support/linux_64_python3.11.____cpython.yaml
index 46438be..ff234cd 100644
--- a/.ci_support/linux_64_python3.11.____cpython.yaml
+++ b/.ci_support/linux_64_python3.11.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_64_python3.12.____cpython.yaml b/.ci_support/linux_64_python3.12.____cpython.yaml
index ae32792..bc23f7a 100644
--- a/.ci_support/linux_64_python3.12.____cpython.yaml
+++ b/.ci_support/linux_64_python3.12.____cpython.yaml
@@ -7,7 +7,7 @@ cairo:
 cdt_name:
 - cos6
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 docker_image:
@@ -22,6 +22,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_64_python3.8.____cpython.yaml b/.ci_support/linux_64_python3.8.____cpython.yaml
index 45d76ea..6614719 100644
--- a/.ci_support/linux_64_python3.8.____cpython.yaml
+++ b/.ci_support/linux_64_python3.8.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_64_python3.9.____73_pypy.yaml b/.ci_support/linux_64_python3.9.____73_pypy.yaml
index 1a3af11..5cf465d 100644
--- a/.ci_support/linux_64_python3.9.____73_pypy.yaml
+++ b/.ci_support/linux_64_python3.9.____73_pypy.yaml
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_73_pypy
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_64_python3.9.____cpython.yaml b/.ci_support/linux_64_python3.9.____cpython.yaml
index b9a2438..16a8e0a 100644
--- a/.ci_support/linux_64_python3.9.____cpython.yaml
+++ b/.ci_support/linux_64_python3.9.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.10.____cpython.yaml b/.ci_support/linux_aarch64_python3.10.____cpython.yaml
index f2db830..20654b4 100644
--- a/.ci_support/linux_aarch64_python3.10.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.10.____cpython.yaml
@@ -26,6 +26,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.11.____cpython.yaml b/.ci_support/linux_aarch64_python3.11.____cpython.yaml
index 0ab2034..621bff1 100644
--- a/.ci_support/linux_aarch64_python3.11.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.11.____cpython.yaml
@@ -26,6 +26,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.12.____cpython.yaml b/.ci_support/linux_aarch64_python3.12.____cpython.yaml
index 60f982d..8c40ffe 100644
--- a/.ci_support/linux_aarch64_python3.12.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.12.____cpython.yaml
@@ -11,7 +11,7 @@ cdt_arch:
 cdt_name:
 - cos7
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 docker_image:
@@ -26,6 +26,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.8.____cpython.yaml b/.ci_support/linux_aarch64_python3.8.____cpython.yaml
index 15004b3..2aca829 100644
--- a/.ci_support/linux_aarch64_python3.8.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.8.____cpython.yaml
@@ -26,6 +26,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.9.____73_pypy.yaml b/.ci_support/linux_aarch64_python3.9.____73_pypy.yaml
index 9948f23..9d83594 100644
--- a/.ci_support/linux_aarch64_python3.9.____73_pypy.yaml
+++ b/.ci_support/linux_aarch64_python3.9.____73_pypy.yaml
@@ -26,6 +26,3 @@ python:
 - 3.9.* *_73_pypy
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_aarch64_python3.9.____cpython.yaml b/.ci_support/linux_aarch64_python3.9.____cpython.yaml
index 4b2db3b..43014ab 100644
--- a/.ci_support/linux_aarch64_python3.9.____cpython.yaml
+++ b/.ci_support/linux_aarch64_python3.9.____cpython.yaml
@@ -26,6 +26,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-aarch64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.10.____cpython.yaml b/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
index 07a6aea..43b3576 100644
--- a/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.10.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.11.____cpython.yaml b/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
index 766a069..f180e5a 100644
--- a/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.11.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.12.____cpython.yaml b/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
index 069a7ff..c3a7472 100644
--- a/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.12.____cpython.yaml
@@ -7,7 +7,7 @@ cairo:
 cdt_name:
 - cos7
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 docker_image:
@@ -22,6 +22,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.8.____cpython.yaml b/.ci_support/linux_ppc64le_python3.8.____cpython.yaml
index 40f8312..08b8e81 100644
--- a/.ci_support/linux_ppc64le_python3.8.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.8.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.9.____73_pypy.yaml b/.ci_support/linux_ppc64le_python3.9.____73_pypy.yaml
index 36cb014..1e3ca0c 100644
--- a/.ci_support/linux_ppc64le_python3.9.____73_pypy.yaml
+++ b/.ci_support/linux_ppc64le_python3.9.____73_pypy.yaml
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_73_pypy
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/linux_ppc64le_python3.9.____cpython.yaml b/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
index 84c65b2..c29e2e9 100644
--- a/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
+++ b/.ci_support/linux_ppc64le_python3.9.____cpython.yaml
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - linux-ppc64le
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.10.____cpython.yaml b/.ci_support/osx_64_python3.10.____cpython.yaml
index e7cdd4a..c864212 100644
--- a/.ci_support/osx_64_python3.10.____cpython.yaml
+++ b/.ci_support/osx_64_python3.10.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.11.____cpython.yaml b/.ci_support/osx_64_python3.11.____cpython.yaml
index 55a38d8..1bb1db9 100644
--- a/.ci_support/osx_64_python3.11.____cpython.yaml
+++ b/.ci_support/osx_64_python3.11.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.12.____cpython.yaml b/.ci_support/osx_64_python3.12.____cpython.yaml
index d30d749..ec3e85c 100644
--- a/.ci_support/osx_64_python3.12.____cpython.yaml
+++ b/.ci_support/osx_64_python3.12.____cpython.yaml
@@ -3,11 +3,11 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 glib:
@@ -22,6 +22,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.8.____cpython.yaml b/.ci_support/osx_64_python3.8.____cpython.yaml
index e580727..2d4b32e 100644
--- a/.ci_support/osx_64_python3.8.____cpython.yaml
+++ b/.ci_support/osx_64_python3.8.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.9.____73_pypy.yaml b/.ci_support/osx_64_python3.9.____73_pypy.yaml
index d452a65..a156f18 100644
--- a/.ci_support/osx_64_python3.9.____73_pypy.yaml
+++ b/.ci_support/osx_64_python3.9.____73_pypy.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_73_pypy
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_64_python3.9.____cpython.yaml b/.ci_support/osx_64_python3.9.____cpython.yaml
index 61dea9f..4cf4eed 100644
--- a/.ci_support/osx_64_python3.9.____cpython.yaml
+++ b/.ci_support/osx_64_python3.9.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - osx-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_arm64_python3.10.____cpython.yaml b/.ci_support/osx_arm64_python3.10.____cpython.yaml
index d390167..81673d2 100644
--- a/.ci_support/osx_arm64_python3.10.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.10.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - osx-arm64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_arm64_python3.11.____cpython.yaml b/.ci_support/osx_arm64_python3.11.____cpython.yaml
index 5da7d1d..180fe65 100644
--- a/.ci_support/osx_arm64_python3.11.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.11.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - osx-arm64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_arm64_python3.12.____cpython.yaml b/.ci_support/osx_arm64_python3.12.____cpython.yaml
index f76c2f8..bd3eb91 100644
--- a/.ci_support/osx_arm64_python3.12.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.12.____cpython.yaml
@@ -3,11 +3,11 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 glib:
@@ -22,6 +22,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - osx-arm64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_arm64_python3.8.____cpython.yaml b/.ci_support/osx_arm64_python3.8.____cpython.yaml
index fb00710..9821ae4 100644
--- a/.ci_support/osx_arm64_python3.8.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.8.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - osx-arm64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/osx_arm64_python3.9.____cpython.yaml b/.ci_support/osx_arm64_python3.9.____cpython.yaml
index fd6f55c..18446f5 100644
--- a/.ci_support/osx_arm64_python3.9.____cpython.yaml
+++ b/.ci_support/osx_arm64_python3.9.____cpython.yaml
@@ -3,7 +3,7 @@ MACOSX_DEPLOYMENT_TARGET:
 c_compiler:
 - clang
 c_compiler_version:
-- '15'
+- '16'
 cairo:
 - '1'
 channel_sources:
@@ -22,6 +22,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - osx-arm64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.10.____cpython.yaml b/.ci_support/win_64_python3.10.____cpython.yaml
index f69f468..3d63f72 100644
--- a/.ci_support/win_64_python3.10.____cpython.yaml
+++ b/.ci_support/win_64_python3.10.____cpython.yaml
@@ -16,6 +16,3 @@ python:
 - 3.10.* *_cpython
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.11.____cpython.yaml b/.ci_support/win_64_python3.11.____cpython.yaml
index ceb2259..73a93ca 100644
--- a/.ci_support/win_64_python3.11.____cpython.yaml
+++ b/.ci_support/win_64_python3.11.____cpython.yaml
@@ -16,6 +16,3 @@ python:
 - 3.11.* *_cpython
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.12.____cpython.yaml b/.ci_support/win_64_python3.12.____cpython.yaml
index 2c2afba..b9fe8b9 100644
--- a/.ci_support/win_64_python3.12.____cpython.yaml
+++ b/.ci_support/win_64_python3.12.____cpython.yaml
@@ -3,7 +3,7 @@ c_compiler:
 cairo:
 - '1'
 channel_sources:
-- conda-forge/label/python_rc,conda-forge
+- conda-forge
 channel_targets:
 - conda-forge main
 glib:
@@ -16,6 +16,3 @@ python:
 - 3.12.* *_cpython
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.8.____cpython.yaml b/.ci_support/win_64_python3.8.____cpython.yaml
index d02fe3a..811997f 100644
--- a/.ci_support/win_64_python3.8.____cpython.yaml
+++ b/.ci_support/win_64_python3.8.____cpython.yaml
@@ -16,6 +16,3 @@ python:
 - 3.8.* *_cpython
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.9.____73_pypy.yaml b/.ci_support/win_64_python3.9.____73_pypy.yaml
index 87fa2c4..1b60a9b 100644
--- a/.ci_support/win_64_python3.9.____73_pypy.yaml
+++ b/.ci_support/win_64_python3.9.____73_pypy.yaml
@@ -16,6 +16,3 @@ python:
 - 3.9.* *_73_pypy
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.ci_support/win_64_python3.9.____cpython.yaml b/.ci_support/win_64_python3.9.____cpython.yaml
index c270da0..e596586 100644
--- a/.ci_support/win_64_python3.9.____cpython.yaml
+++ b/.ci_support/win_64_python3.9.____cpython.yaml
@@ -16,6 +16,3 @@ python:
 - 3.9.* *_cpython
 target_platform:
 - win-64
-zip_keys:
-- - python
-  - channel_sources
diff --git a/.scripts/build_steps.sh b/.scripts/build_steps.sh
index 322832b..bd9e671 100755
--- a/.scripts/build_steps.sh
+++ b/.scripts/build_steps.sh
@@ -34,7 +34,7 @@ CONDARC
 mamba install --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
     pip mamba conda-build boa conda-forge-ci-setup=3
 mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup
+    pip mamba conda-build boa conda-forge-ci-setup=3
 
 # set up the condarc
 setup_conda_rc "${FEEDSTOCK_ROOT}" "${RECIPE_ROOT}" "${CONFIG_FILE}"
diff --git a/.scripts/run_osx_build.sh b/.scripts/run_osx_build.sh
index cd9a88f..870c49a 100755
--- a/.scripts/run_osx_build.sh
+++ b/.scripts/run_osx_build.sh
@@ -26,7 +26,7 @@ conda activate base
 mamba install --update-specs --quiet --yes --channel conda-forge --strict-channel-priority \
     pip mamba conda-build boa conda-forge-ci-setup=3
 mamba update --update-specs --yes --quiet --channel conda-forge --strict-channel-priority \
-    pip mamba conda-build boa conda-forge-ci-setup
+    pip mamba conda-build boa conda-forge-ci-setup=3