diff --git a/package.json b/package.json
index 6c6568891..30233e9fb 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@angular/compiler": "12.2.16",
     "@babel/code-frame": "7.16.7",
     "@babel/parser": "7.17.9",
-    "@glimmer/syntax": "0.84.1",
+    "@glimmer/syntax": "0.84.2",
     "@iarna/toml": "2.2.5",
     "@typescript-eslint/typescript-estree": "5.18.0",
     "acorn": "8.7.0",
diff --git a/yarn.lock b/yarn.lock
index fda5ac2fd..6570beab1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1253,6 +1253,13 @@
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
+"@glimmer/interfaces@0.84.2":
+  version "0.84.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.84.2.tgz#764cf92c954adcd1a851e5dc68ec1f6b654dc3bd"
+  integrity sha512-tMZxQpOddUVmHEOuripkNqVR7ba0K4doiYnFd4WyswqoHPlxqpBujbIamQ+bWCWEF0U4yxsXKa31ekS/JHkiBQ==
+  dependencies:
+    "@simple-dom/interface" "^1.4.0"
+
 "@glimmer/reference@0.84.1":
   version "0.84.1"
   resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.84.1.tgz#27a78b6c99bb3e9d89b16b2bed53ee4be68e56f6"
@@ -1264,13 +1271,13 @@
     "@glimmer/util" "0.84.1"
     "@glimmer/validator" "0.84.1"
 
-"@glimmer/syntax@0.84.1":
-  version "0.84.1"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.84.1.tgz#6140b42180f45a6824c1d0813e2e9bfe1b4e13e1"
-  integrity sha512-Gbq5a2joOgQPSuiGgDhlymV3rhmgP8Z8stdmoSZHfGq2e5k7sv0if6/9+9/IQO3WPncL8i3aSKX6IBN3lOn/EA==
+"@glimmer/syntax@0.84.2":
+  version "0.84.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.84.2.tgz#a3f65e51eec20f6adb79c6159d1ad1166fa5bccd"
+  integrity sha512-SPBd1tpIR9XeaXsXsMRCnKz63eLnIZ0d5G9QC4zIBFBC3pQdtG0F5kWeuRVCdfTIFuR+5WBMfk5jvg+3gbQhjg==
   dependencies:
-    "@glimmer/interfaces" "0.84.1"
-    "@glimmer/util" "0.84.1"
+    "@glimmer/interfaces" "0.84.2"
+    "@glimmer/util" "0.84.2"
     "@handlebars/parser" "~2.0.0"
     simple-html-tokenizer "^0.5.11"
 
@@ -1283,6 +1290,15 @@
     "@glimmer/interfaces" "0.84.1"
     "@simple-dom/interface" "^1.4.0"
 
+"@glimmer/util@0.84.2":
+  version "0.84.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.84.2.tgz#2711ba40f25f44b2ea309cad49f5c2622c6211bc"
+  integrity sha512-VbhzE2s4rmU+qJF3gGBTL1IDjq+/G2Th51XErS8MQVMCmE4CU2pdwSzec8PyOowqCGUOrVIWuMzEI6VoPM4L4w==
+  dependencies:
+    "@glimmer/env" "0.1.7"
+    "@glimmer/interfaces" "0.84.2"
+    "@simple-dom/interface" "^1.4.0"
+
 "@glimmer/validator@0.84.1":
   version "0.84.1"
   resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.84.1.tgz#648c9e84f0cfe72de295c8b1a3f588aa35ac5afb"