diff --git a/increase_cmake_version.sh b/increase_cmake_version.sh
new file mode 100755
index 0000000..b7bb964
--- /dev/null
+++ b/increase_cmake_version.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+. utils.sh
+
+cmake_version="3.5"
+
+if [ ! -d $srcdir ]; then
+    echo "$srcdir does not exist, please fix srcdir variable"
+    exit 1
+fi
+
+cat $releasetools/modules.git | while read repo branch; do
+    echo $repo
+    . $releasetools/version
+    checkout=$(findCheckout $repo)
+    cd $checkout || exit 2
+    echo $PWD
+    $cmd git checkout master &> /dev/null || exit 3
+    $cmd git reset --hard origin/master  &> /dev/null || exit 3
+    $cmd git pull --rebase  &> /dev/null || exit 3
+    if [ "$repo" != extra-cmake-modules ]; then
+        $cmd perl -pi -e 's/cmake_minimum_required\(VERSION [0-9]+\.[0-9]+\)/cmake_minimum_required\(VERSION '$cmake_version'\)/g' CMakeLists.txt
+        $cmd git commit -a -m "GIT_SILENT Upgrade CMake version requirement to $cmake_version."
+    fi
+    $cmd git pull --rebase
+    $cmd git push
+done