diff --git a/update_all_submodules b/update_all_submodules
new file mode 100755
index 0000000..74cdfbd
--- /dev/null
+++ b/update_all_submodules
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+PARENTDIR=$PWD
+echo "Working in $PARENTDIR"
+
+exec 3< submodules
+while read <&3
+do
+	cd $PARENTDIR
+	DIR2UPDATE=$REPLY
+	if [[ $DIR2UPDATE != "" ]]; then
+		echo "Attempting to reset submodule $DIR2UPDATE"
+		cd $PARENTDIR/$DIR2UPDATE/..
+		while [[ ! -d .git ]]; do
+			cd ../
+		done
+		git submodule init
+		git submodule update
+		cd $PARENTDIR/$DIR2UPDATE
+		git reset --hard HEAD
+		git clean -d -x -f
+		git checkout master
+		git pull
+		cd ..
+		while [[ ! -d .git ]]; do
+			cd ../
+		done
+		echo "Committing changes to $PWD"
+		git commit -a -m "Reset submodule to latest HEAD"
+		git push origin master
+	fi
+done
+exec 3>&-