diff --git a/.ci_support/osx_64_numpy1.22python3.10.____cpython.yaml b/.ci_support/osx_64_numpy1.22python3.10.____cpython.yaml
index b40ca3f..5e11bd6 100644
--- a/.ci_support/osx_64_numpy1.22python3.10.____cpython.yaml
+++ b/.ci_support/osx_64_numpy1.22python3.10.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.9'
+MACOSX_SDK_VERSION:
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_numpy1.22python3.9.____cpython.yaml b/.ci_support/osx_64_numpy1.22python3.9.____cpython.yaml
index 8d34163..e36a692 100644
--- a/.ci_support/osx_64_numpy1.22python3.9.____cpython.yaml
+++ b/.ci_support/osx_64_numpy1.22python3.9.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.9'
+MACOSX_SDK_VERSION:
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_numpy1.23python3.11.____cpython.yaml b/.ci_support/osx_64_numpy1.23python3.11.____cpython.yaml
index 676b545..20697a0 100644
--- a/.ci_support/osx_64_numpy1.23python3.11.____cpython.yaml
+++ b/.ci_support/osx_64_numpy1.23python3.11.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.9'
+MACOSX_SDK_VERSION:
+- '10.13'
 channel_sources:
 - conda-forge
 channel_targets:
diff --git a/.ci_support/osx_64_numpy1.26python3.12.____cpython.yaml b/.ci_support/osx_64_numpy1.26python3.12.____cpython.yaml
index 1ccd61f..9b1d336 100644
--- a/.ci_support/osx_64_numpy1.26python3.12.____cpython.yaml
+++ b/.ci_support/osx_64_numpy1.26python3.12.____cpython.yaml
@@ -1,5 +1,7 @@
 MACOSX_DEPLOYMENT_TARGET:
 - '10.9'
+MACOSX_SDK_VERSION:
+- '10.13'
 channel_sources:
 - conda-forge/label/python_rc,conda-forge
 channel_targets: