diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8fd9eb9..fc4a013 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -121,7 +121,7 @@ jobs:
         make ${{ matrix.target }} BUILD_NUMBER=${{ needs.config.outputs.BUILD_NUMBER }}
 
     - name: Upload build artefacts
-      uses: actions/upload-artifact@v4.4.0
+      uses: actions/upload-artifact@v4.4.3
       with:
         name: Python-${{ needs.config.outputs.PYTHON_VER }}-${{ matrix.target }}-support.${{ needs.config.outputs.BUILD_NUMBER }}.tar.gz
         path: dist/Python-${{ needs.config.outputs.PYTHON_VER }}-${{ matrix.target }}-support.${{ needs.config.outputs.BUILD_NUMBER }}.tar.gz
diff --git a/Makefile b/Makefile
index fc1e8f5..36326ff 100644
--- a/Makefile
+++ b/Makefile
@@ -129,8 +129,10 @@ ARCH-$(target)=$$(subst .,,$$(suffix $(target)))
 ifneq ($(os),macOS)
 	ifeq ($$(findstring simulator,$$(SDK-$(target))),)
 TARGET_TRIPLE-$(target)=$$(ARCH-$(target))-apple-$$(OS_LOWER-$(target))$$(VERSION_MIN-$(os))
+IS_SIMULATOR-$(target)="False"
 	else
 TARGET_TRIPLE-$(target)=$$(ARCH-$(target))-apple-$$(OS_LOWER-$(target))$$(VERSION_MIN-$(os))-simulator
+IS_SIMULATOR-$(target)="True"
 	endif
 endif
 
@@ -323,6 +325,9 @@ $$(PYTHON_SITECUSTOMIZE-$(target)):
 	cat $(PROJECT_DIR)/patch/Python/sitecustomize.$(os).py \
 		| sed -e "s/{{os}}/$(os)/g" \
 		| sed -e "s/{{arch}}/$$(ARCH-$(target))/g" \
+		| sed -e "s/{{version_min}}/$$(VERSION_MIN-$(os))/g" \
+		| sed -e "s/{{is_simulator}}/$$(IS_SIMULATOR-$(target))/g" \
+		| sed -e "s/{{multiarch}}/$$(ARCH-$(target))-$$(SDK-$(target))/g" \
 		| sed -e "s/{{tag}}/$$(OS_LOWER-$(target))-$$(VERSION_MIN-$(os))-$$(ARCH-$(target))-$$(SDK-$(target))/g" \
 		> $$(PYTHON_SITECUSTOMIZE-$(target))
 
diff --git a/patch/Python/sitecustomize.iOS.py b/patch/Python/sitecustomize.iOS.py
index d7d86e3..ccc291f 100644
--- a/patch/Python/sitecustomize.iOS.py
+++ b/patch/Python/sitecustomize.iOS.py
@@ -2,6 +2,7 @@
 # packages cross-platform. If the folder containing this file is on
 # your PYTHONPATH when you invoke pip, pip will behave as if it were
 # running on {{os}}.
+import collections
 import distutils.ccompiler
 import distutils.unixccompiler
 import os
@@ -16,7 +17,21 @@ def custom_system():
 
 platform.system = custom_system
 
-# Make sysconfig.get_platform() return "{{tag}}"
+# Make platform.ios_ver() return an appropriate namedtuple
+IOSVersionInfo = collections.namedtuple(
+    "IOSVersionInfo",
+    ["system", "release", "model", "is_simulator"]
+)
+
+def custom_ios_ver(system="", release="", model="", is_simulator=False):
+    return IOSVersionInfo("{{os}}", "{{version_min}}", "iPhone", {{is_simulator}})
+
+platform.ios_ver = custom_ios_ver
+
+# Make sys.implementation._multiarch return the multiarch description
+sys.implementation._multiarch = "{{multiarch}}"
+
+# Make sysconfig.get_platform() return the platform tag
 def custom_get_platform():
     return "{{tag}}"