diff --git a/coin/provisioning/qtci-macos-11-arm/25-python3.sh b/coin/provisioning/qtci-macos-11-arm/25-python3.sh
index bbf8cad1..a3451f0a 100755
--- a/coin/provisioning/qtci-macos-11-arm/25-python3.sh
+++ b/coin/provisioning/qtci-macos-11-arm/25-python3.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.9.7
 
 /Users/qt/.pyenv/versions/3.9.7/bin/pip3 install --user virtualenv wheel html5lib
diff --git a/coin/provisioning/qtci-macos-12-arm/25-python.sh b/coin/provisioning/qtci-macos-12-arm/25-python.sh
index 27bebf25..1c5402d7 100755
--- a/coin/provisioning/qtci-macos-12-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-12-arm/25-python.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.9.7
 
 /Users/qt/.pyenv/versions/3.9.7/bin/pip3 install --user virtualenv wheel html5lib
diff --git a/coin/provisioning/qtci-macos-13-arm/25-python.sh b/coin/provisioning/qtci-macos-13-arm/25-python.sh
index 27bebf25..1c5402d7 100755
--- a/coin/provisioning/qtci-macos-13-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-13-arm/25-python.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.9.7
 
 /Users/qt/.pyenv/versions/3.9.7/bin/pip3 install --user virtualenv wheel html5lib
diff --git a/coin/provisioning/qtci-macos-14-arm/25-python.sh b/coin/provisioning/qtci-macos-14-arm/25-python.sh
index 27bebf25..1c5402d7 100755
--- a/coin/provisioning/qtci-macos-14-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-14-arm/25-python.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.9.7
 
 /Users/qt/.pyenv/versions/3.9.7/bin/pip3 install --user virtualenv wheel html5lib
diff --git a/coin/provisioning/qtci-macos-15-arm/25-python.sh b/coin/provisioning/qtci-macos-15-arm/25-python.sh
index dc17efc9..e88b6224 100755
--- a/coin/provisioning/qtci-macos-15-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-15-arm/25-python.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.12.11
 
 /Users/qt/.pyenv/versions/3.12.11/bin/pip3 install --user virtualenv wheel html5lib
diff --git a/coin/provisioning/qtci-macos-26-arm/25-python.sh b/coin/provisioning/qtci-macos-26-arm/25-python.sh
index 27bebf25..1c5402d7 100755
--- a/coin/provisioning/qtci-macos-26-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-26-arm/25-python.sh
@@ -8,6 +8,8 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
+export PYTHON_BUILD_MIRROR_URL="https://ci-files01-hki.ci.qt.io/input/python/"
+export PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM=1
 pyenv install 3.9.7
 
 /Users/qt/.pyenv/versions/3.9.7/bin/pip3 install --user virtualenv wheel html5lib