diff --git a/coin/provisioning/qtci-linux-Ubuntu-24.04-x86_64/02-apt.sh b/coin/provisioning/qtci-linux-Ubuntu-24.04-x86_64/02-apt.sh
index 35f2c088..4f3e1b1d 100644
--- a/coin/provisioning/qtci-linux-Ubuntu-24.04-x86_64/02-apt.sh
+++ b/coin/provisioning/qtci-linux-Ubuntu-24.04-x86_64/02-apt.sh
@@ -151,6 +151,8 @@ installPackages+=(zlib1g)
 installPackages+=(openjdk-8-jdk)
 #Java 17 for Android, needed by RTA
 installPackages+=(openjdk-17-jdk)
+# Java 21 for QtBridges
+installPackages+=(openjdk-21-jdk)
 installPackages+=(libgtk-3-dev)
 installPackages+=(ninja-build)
 installPackages+=(libssl-dev)
diff --git a/coin/provisioning/qtci-macos-15-arm/91-install-openjdk.sh b/coin/provisioning/qtci-macos-15-arm/91-install-openjdk.sh
new file mode 100755
index 00000000..4a6e6da8
--- /dev/null
+++ b/coin/provisioning/qtci-macos-15-arm/91-install-openjdk.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+#Copyright (C) 2025 The Qt Company Ltd
+#SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+set -ex
+brew install openjdk@21
+sudo ln -sfn /opt/homebrew/opt/openjdk@21/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk-21.jdk