diff --git a/package.json b/package.json
index 446b6fb..3ed1e98 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
-    "ember-css-modules": "1.3.3",
+    "ember-css-modules": "1.3.4",
     "ember-disable-prototype-extensions": "^1.1.3",
     "ember-export-application-global": "^2.0.1",
     "ember-load-initializers": "^2.1.2",
diff --git a/yarn.lock b/yarn.lock
index 5cdd603..9d081bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4940,10 +4940,10 @@ ember-compatibility-helpers@^1.1.2, ember-compatibility-helpers@^1.2.1:
     fs-extra "^9.1.0"
     semver "^5.4.1"
 
-ember-css-modules@1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/ember-css-modules/-/ember-css-modules-1.3.3.tgz#80d46db65f75e6c9053ade38625c578912dc8d23"
-  integrity sha512-Mdv/zl35EkPChCiOqQOtfAou+eObjPk7bBwAKgiiASCed3Y/Uyz5yJt4Cg/TWVvvmf1sBpuRsDTvkRX8ZFc5aw==
+ember-css-modules@1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/ember-css-modules/-/ember-css-modules-1.3.4.tgz#e4e5516a105b7c4662121363b370db5b230fcee8"
+  integrity sha512-WoPmG3CIydaMCiQigQ8dGUYgN7Fub56P37B55hE4+/pZM3/Qo6YPvyID/I+fmnVxR7IDVZMe5+DfDw6BxsaBpg==
   dependencies:
     broccoli-bridge "^1.0.0"
     broccoli-concat "^3.2.2"