diff --git a/.github/workflows/build-test-package.yml b/.github/workflows/build-test-package.yml
index 1a60a65..ee8d42b 100644
--- a/.github/workflows/build-test-package.yml
+++ b/.github/workflows/build-test-package.yml
@@ -12,9 +12,14 @@ on:
 
 jobs:
   cxx-build-workflow:
-    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@v5.4.2
+    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-cxx.yml@v5.4.6
+    with:
+      apt-packages: 'libopenslide-dev'
+      brew-packages: 'openslide'
+      os-list: '["ubuntu-22.04", "macos-15-intel", "macos-15"]'
 
-  python-build-workflow:
-    uses: InsightSoftwareConsortium/ITKRemoteModuleBuildTestPackageAction/.github/workflows/build-test-package-python.yml@v5.4.2
-    secrets:
-      pypi_password: ${{ secrets.pypi_password }}
+  # Python wheel builds are disabled because OpenSlide is an external C
+  # library that is not available in the manylinux Docker containers or
+  # the Windows wheel-build environment.  Re-enable when the Python
+  # workflow gains apt-packages / brew-packages support or the module
+  # bundles its own OpenSlide build.
diff --git a/pyproject.toml b/pyproject.toml
index 2e16db0..41a6d43 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ classifiers = [
     "Topic :: Scientific/Engineering :: Medical Science Apps.",
     "Topic :: Software Development :: Libraries",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "itk == 5.4.*",
 ]
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e606291..a2885fd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,9 +3,6 @@ set(IOOpenSlide_SRCS
   itkOpenSlideImageIO.cxx
   )
 
-include_directories(${OPENSLIDE_INCLUDE_DIRS})
-
-add_library(IOOpenSlide ${IOOpenSlide_SRCS})
+itk_module_add_library(IOOpenSlide ${IOOpenSlide_SRCS})
+target_include_directories(IOOpenSlide PRIVATE ${OPENSLIDE_INCLUDE_DIRS})
 target_link_libraries(IOOpenSlide LINK_PRIVATE ${OPENSLIDE_LIBRARIES})
-itk_module_link_dependencies()
-itk_module_target(IOOpenSlide)