diff --git a/release.sh b/release.sh
index 7a82931b..a090ab6f 100755
--- a/release.sh
+++ b/release.sh
@@ -12,6 +12,7 @@ if [ "$#" -ne 1 ] ; then
 fi
 
 # install dependencies
+rm npm-shrinkwrap.json
 rm -rf node_modules/
 npm install
 
@@ -21,6 +22,9 @@ grunt set_version --release=$1
 # build and test
 npm test
 
+# shrinkwrap production and dev dependencies
+npm shrinkwrap --dev
+
 # Add build files to git
 sed -i "" '/^dist\/$/d' .gitignore
 git add dist/ *.json