diff --git a/tool/github.sh b/tool/github.sh
index 77a9fb6f6..7cb118493 100755
--- a/tool/github.sh
+++ b/tool/github.sh
@@ -20,8 +20,8 @@ ls $JAVA_HOME
 echo "export PATH=$JAVA_HOME/bin:\$PATH"
 export PATH=$JAVA_HOME/bin:$PATH
 
-# Clone and configure Flutter to the latest stable release
-git clone --depth 1 https://github.com/flutter/flutter.git ../flutter
+# Download and configure Flutter to the pinned stable release if not present
+source ./tool/provision_flutter.sh
 export PATH="$PATH":`pwd`/../flutter/bin:`pwd`/../flutter/bin/cache/dart-sdk/bin
 flutter config --no-analytics
 flutter doctor
diff --git a/tool/kokoro/setup.sh b/tool/kokoro/setup.sh
index b6a57b98c..4c44ec0b7 100644
--- a/tool/kokoro/setup.sh
+++ b/tool/kokoro/setup.sh
@@ -32,8 +32,8 @@ setup() {
 
   export JAVA_OPTS=" -Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true"
 
-  # Clone and configure Flutter to the latest stable release
-  git clone --depth 1 https://github.com/flutter/flutter.git ../flutter
+  # Download and configure Flutter to the pinned stable release if not present
+  source ./tool/provision_flutter.sh
   export PATH="$PATH":`pwd`/../flutter/bin:`pwd`/../flutter/bin/cache/dart-sdk/bin
   flutter config --no-analytics
   flutter doctor
diff --git a/tool/provision_flutter.sh b/tool/provision_flutter.sh
new file mode 100755
index 000000000..537841ac5
--- /dev/null
+++ b/tool/provision_flutter.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+# Copyright 2026 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Fail on any error.
+set -e
+
+# Provision the pinned Flutter SDK if not present
+if [ ! -d "../flutter" ]; then
+  OS_NAME=$(uname -s | tr '[:upper:]' '[:lower:]')
+  FLUTTER_VERSION="3.41.0"
+  
+  echo "Provisioning Flutter SDK version ${FLUTTER_VERSION} for ${OS_NAME}..."
+  if [ "$OS_NAME" = "darwin" ]; then
+    curl -fLO "https://storage.googleapis.com/flutter_infra_release/releases/stable/macos/flutter_macos_${FLUTTER_VERSION}-stable.zip"
+    unzip -q "flutter_macos_${FLUTTER_VERSION}-stable.zip" -d ../
+    rm "flutter_macos_${FLUTTER_VERSION}-stable.zip"
+  else
+    curl -fLO "https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${FLUTTER_VERSION}-stable.tar.xz"
+    tar xf "flutter_linux_${FLUTTER_VERSION}-stable.tar.xz" -C ../
+    rm "flutter_linux_${FLUTTER_VERSION}-stable.tar.xz"
+  fi
+else
+  echo "../flutter already exists, skipping download."
+fi