diff --git a/coin/provisioning/qtci-macos-15-arm/25-python.sh b/coin/provisioning/qtci-macos-15-arm/25-python.sh
index 0d611fae..5482b1a0 100755
--- a/coin/provisioning/qtci-macos-15-arm/25-python.sh
+++ b/coin/provisioning/qtci-macos-15-arm/25-python.sh
@@ -8,13 +8,13 @@
 # shellcheck source=../common/unix/SetEnvVar.sh
 source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
 
-pyenv install 3.13.7
+pyenv install 3.12.11
 
-/Users/qt/.pyenv/versions/3.13.7/bin/pip3 install --user virtualenv wheel html5lib
-/Users/qt/.pyenv/versions/3.13.7/bin/pip3 install --user -r ${BASH_SOURCE%/*}/../common/shared/requirements.txt
+/Users/qt/.pyenv/versions/3.12.11/bin/pip3 install --user virtualenv wheel html5lib
+/Users/qt/.pyenv/versions/3.12.11/bin/pip3 install --user -r ${BASH_SOURCE%/*}/../common/shared/requirements.txt
 
-SetEnvVar "PYTHON3_PATH" "/Users/qt/.pyenv/versions/3.13.7/bin/"
-SetEnvVar "PIP3_PATH" "/Users/qt/.pyenv/versions/3.13.7/bin/"
+SetEnvVar "PYTHON3_PATH" "/Users/qt/.pyenv/versions/3.12.11/bin/"
+SetEnvVar "PIP3_PATH" "/Users/qt/.pyenv/versions/3.12.11/bin/"
 # Use 3.9 as a default python
 SetEnvVar "PATH" "\$PYTHON3_PATH:\$PATH"
 
@@ -23,4 +23,4 @@ SetEnvVar "PATH" "\$PYTHON3_PATH:\$PATH"
 # hence the explicit assignment to SBOM_PYTHON_APPS_PATH.
 SetEnvVar "SBOM_PYTHON_APPS_PATH" "/Users/qt/.local/bin"
 
-echo "python3 = 3.13.7" >> ~/versions.txt
+echo "python3 = 3.12.11" >> ~/versions.txt