diff --git a/package.json b/package.json
index 541d49f31..6111c11be 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@angular/compiler": "10.0.14",
     "@babel/code-frame": "7.10.4",
     "@babel/parser": "7.11.5",
-    "@glimmer/syntax": "0.60.0",
+    "@glimmer/syntax": "0.61.2",
     "@iarna/toml": "2.2.5",
     "@typescript-eslint/typescript-estree": "3.10.1",
     "angular-estree-parser": "2.2.0",
diff --git a/yarn.lock b/yarn.lock
index b9f9d8fcf..1d7f911d7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -914,6 +914,13 @@
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
+"@glimmer/interfaces@^0.61.2":
+  version "0.61.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.61.2.tgz#c8760d9aab6469d4a3bde923f129fb86a3b70262"
+  integrity sha512-i4qTGFKXWD1Bjr3V6HVxTRWj8DzAhXQ0W0pvsymDRY/r386crH11sTclp8ZFyEiybA8JBlsUvadX8lUD7Oc0TA==
+  dependencies:
+    "@simple-dom/interface" "^1.4.0"
+
 "@glimmer/reference@0.60.0":
   version "0.60.0"
   resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.60.0.tgz#b986368b8b62dbafa76a9c4ba88943a94733bad3"
@@ -925,13 +932,13 @@
     "@glimmer/util" "^0.60.0"
     "@glimmer/validator" "^0.60.0"
 
-"@glimmer/syntax@0.60.0":
-  version "0.60.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.60.0.tgz#309a683efb41c171ea82dbf8e3845bea591686eb"
-  integrity sha512-Q4W1Ly8bjjAe8DY0cj23PC2Q//+XEFdrBXhOqNVjtAjJHBd3Vm/sIokKhuUCrqHEppsn2/xYZFRf1qEUAib1lA==
+"@glimmer/syntax@0.61.2":
+  version "0.61.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.61.2.tgz#a8c381872354ebf441e23cfd6fd27caacdb5356b"
+  integrity sha512-YiXP/saSy/JWVf6AiSWWZemCnYn6z9b4mAifqdba2D/3wrH5TScEiS01mDLlGi2HNhCXffcWf9aOAkEUbnOtFw==
   dependencies:
-    "@glimmer/interfaces" "^0.60.0"
-    "@glimmer/util" "^0.60.0"
+    "@glimmer/interfaces" "^0.61.2"
+    "@glimmer/util" "^0.61.2"
     handlebars "^4.7.4"
     simple-html-tokenizer "^0.5.9"
 
@@ -944,6 +951,15 @@
     "@glimmer/interfaces" "^0.60.0"
     "@simple-dom/interface" "^1.4.0"
 
+"@glimmer/util@^0.61.2":
+  version "0.61.2"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.61.2.tgz#c1d7ccfdd38f97c828e218c6d8e237c0c96ff724"
+  integrity sha512-xel7wbNldpHzDOmC4GJ1je4UnSmehy5MGzPp/rEON9OcSggCrl2v8cEP413TMfyRGDQJ5Houkr0R4zpvs8aqOg==
+  dependencies:
+    "@glimmer/env" "0.1.7"
+    "@glimmer/interfaces" "^0.61.2"
+    "@simple-dom/interface" "^1.4.0"
+
 "@glimmer/validator@^0.60.0":
   version "0.60.0"
   resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.60.0.tgz#8e5c8c60fd9df61d7adb8d0d4457147cd8678cfd"