diff --git a/.buildpacks b/.buildpacks
index d0428d05bdd..5e9e04e1d2f 100644
--- a/.buildpacks
+++ b/.buildpacks
@@ -1,2 +1,2 @@
 https://github.com/heroku/heroku-buildpack-nodejs.git#v162
-https://github.com/pkgr/heroku-buildpack-ruby.git#v236-1
+https://github.com/pkgr/heroku-buildpack-ruby.git#v242-1