diff --git a/Gemfile b/Gemfile
index 235071527..817aff91f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -189,7 +189,7 @@ gem 'ember-rails', '~> 0.21.0' # Latest @ 2017
 #     $ rails generate ember:install --tag=v1.6.1 --ember
 #     $ rails generate ember:install --tag=v0.14 --ember-data
 
-gem 'ember-source', '1.8.0' # NOTE: not what we actually use
+gem 'ember-source', '1.11.4' # NOTE: not what we actually use
 gem 'ember-data-source', '1.13.0' # NOTE: not what we actually use
 
 gem 'handlebars-source', '1.0.12' # TODO: just a wrapwrapper. Any update will change the handlebars.js version.
diff --git a/Gemfile.lock b/Gemfile.lock
index 609415c69..9b2aa7a2e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -220,8 +220,7 @@ GEM
       ember-source (>= 1.8.0)
       jquery-rails (>= 1.0.17)
       railties (>= 4.2)
-    ember-source (1.8.0)
-      handlebars-source (~> 1.0)
+    ember-source (1.11.4)
     erubi (1.12.0)
     et-orbi (1.2.9)
       tzinfo
@@ -608,7 +607,7 @@ DEPENDENCIES
   ed25519 (= 1.2.4)
   ember-data-source (= 1.13.0)
   ember-rails (~> 0.21.0)
-  ember-source (= 1.8.0)
+  ember-source (= 1.11.4)
   factory_bot_rails (= 5.2.0)
   geoip (= 1.3.5)
   gon (~> 6.4)