diff --git a/src/update-last-successful-build/index.js b/src/update-last-successful-build/index.js
index 744d6daec..6ef7f2200 100644
--- a/src/update-last-successful-build/index.js
+++ b/src/update-last-successful-build/index.js
@@ -39,12 +39,25 @@ async function updateLastSuccessfulBuild (opts) {
   console.info('Creating temp branch') // eslint-disable-line no-console
   await exec('git', ['checkout', '-b', tempBranch])
 
-  console.info('Creating yarn.lock') // eslint-disable-line no-console
-  await exec('yarn')
+  console.info('Removing dependencies') // eslint-disable-line no-console
+  await exec('rm', ['-rf', 'node_modules', 'package-lock.json', 'yarn.lock', 'npm-shrinkwrap.json'])
+
+  console.info('Installing dependencies') // eslint-disable-line no-console
+  await exec('npm', ['install', '--production'])
+
+  console.info('Removing package-lock.json') // eslint-disable-line no-console
+  await exec('rm', ['-rf', 'package-lock.json']) // removing package-lock after install prevents dev deps being added to the shrinkwrap file
 
   console.info('Creating npm-shrinkwrap.json') // eslint-disable-line no-console
   await exec('npm', ['shrinkwrap'])
 
+  console.info('Creating yarn.lock') // eslint-disable-line no-console
+  await exec('yarn', [], {
+    env: {
+      NODE_ENV: 'production'
+    }
+  })
+
   try {
     console.info('Committing') // eslint-disable-line no-console
     await exec('git', ['add', '-f', 'npm-shrinkwrap.json', 'yarn.lock'])
diff --git a/src/update-release-branch-lockfiles/index.js b/src/update-release-branch-lockfiles/index.js
index 06e28bb68..9973198df 100644
--- a/src/update-release-branch-lockfiles/index.js
+++ b/src/update-release-branch-lockfiles/index.js
@@ -27,15 +27,22 @@ async function updateReleaseBranchLockfiles (opts) {
   console.info('Removing dependencies') // eslint-disable-line no-console
   await exec('rm', ['-rf', 'node_modules', 'package-lock.json', 'yarn.lock', 'npm-shrinkwrap.json'])
 
-  console.info('Creating yarn.lock') // eslint-disable-line no-console
-  await exec('yarn')
-
   console.info('Installing dependencies') // eslint-disable-line no-console
-  await exec('npm', ['install'])
+  await exec('npm', ['install', '--production'])
+
+  console.info('Removing package-lock.json') // eslint-disable-line no-console
+  await exec('rm', ['-rf', 'package-lock.json']) // removing package-lock after install prevents dev deps being added to the shrinkwrap file
 
   console.info('Creating npm-shrinkwrap.json') // eslint-disable-line no-console
   await exec('npm', ['shrinkwrap'])
 
+  console.info('Creating yarn.lock') // eslint-disable-line no-console
+  await exec('yarn', [], {
+    env: {
+      NODE_ENV: 'production'
+    }
+  })
+
   try {
     console.info('Committing') // eslint-disable-line no-console
     await exec('git', ['add', '-f', 'npm-shrinkwrap.json', 'yarn.lock'])