diff --git a/package.json b/package.json
index dd17bf8..a0c6b0f 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "ember-prism": "0.13.0",
     "ember-qunit": "8.0.2",
     "ember-resolver": "8.1.0",
-    "ember-source": "3.28.9",
+    "ember-source": "3.28.12",
     "ember-template-lint": "3.16.0",
     "eslint": "7.32.0",
     "eslint-config-prettier": "9.1.0",
diff --git a/yarn.lock b/yarn.lock
index eb00693..200a94d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5643,10 +5643,10 @@ ember-source-channel-url@^3.0.0:
   dependencies:
     node-fetch "^2.6.0"
 
-ember-source@3.28.9:
-  version "3.28.9"
-  resolved "https://registry.yarnpkg.com/ember-source/-/ember-source-3.28.9.tgz#804c56b2d71d3cc3decff15a3273bb35d668300a"
-  integrity sha512-Fy7V3yvj+3oyo2+ke52aaihKMcFnnF7Oj9ixj547yzh2faqRfqouB5ZSiwXFH8rxw22rKaM8DiuQO4JN2Ay6xQ==
+ember-source@3.28.12:
+  version "3.28.12"
+  resolved "https://registry.yarnpkg.com/ember-source/-/ember-source-3.28.12.tgz#d8bb33d665d9c5adc858dce9d2d18be5ce58b2c0"
+  integrity sha512-HGrBpY6TN+MAi7F6BS8XYtNFG6vtbKE9ttPcyj0Ps+76kP7isCHyN0hk8ecKciLq7JYDqiPDNWjdIXAn2JfhZA==
   dependencies:
     "@babel/helper-module-imports" "^7.8.3"
     "@babel/plugin-transform-block-scoping" "^7.8.3"