diff --git a/bin/compile_node b/bin/compile_node
index 31ea3cd..385d60e 100755
--- a/bin/compile_node
+++ b/bin/compile_node
@@ -32,9 +32,12 @@ export_env_dir $env_dir
 ####### Determine current state
 
 # What's the requested semver range for node?
-#node_engine=$(package_json ".engines.node")
-# Node version is locked for now: newer ones don't work with Meteor.
-node_engine="0.10.40"
+# Node version mappings for Meteor.
+# Meteor 1.2 - Node 0.10.40
+# Meteor 1.3 - Node 0.10.45
+# Meteor 1.4 - Node 4.4.7
+
+node_engine=$(package_json ".engines.node")
 node_previous=$(file_contents "$cache_dir/node/node-version")
 
 # What's the requested semver range for npm?