diff --git a/package.json b/package.json
index 0d29d09d3..14f0571c2 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@angular/compiler": "11.0.3",
     "@babel/code-frame": "7.10.4",
     "@babel/parser": "7.12.7",
-    "@glimmer/syntax": "0.68.0",
+    "@glimmer/syntax": "0.68.1",
     "@iarna/toml": "2.2.5",
     "@typescript-eslint/typescript-estree": "4.9.0",
     "angular-estree-parser": "2.3.0",
diff --git a/yarn.lock b/yarn.lock
index 091152622..c70b237a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1065,13 +1065,6 @@
   dependencies:
     "@glimmer/env" "^0.1.7"
 
-"@glimmer/interfaces@0.68.0":
-  version "0.68.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.68.0.tgz#451e12d9b74cfd0778fbf6ae0374323b726d7a79"
-  integrity sha512-GvR8ke9XZK0qupJmHcUHVzy6Y5gLsBIzi0h769xoA6l6VrtRCQJC1GF95KNj1z3jlhVCUw3OLnqVFantCEONaQ==
-  dependencies:
-    "@simple-dom/interface" "^1.4.0"
-
 "@glimmer/interfaces@0.68.1":
   version "0.68.1"
   resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.68.1.tgz#a4d4b0380f0094c7f5901c26b54ccf40ddef521e"
@@ -1090,25 +1083,16 @@
     "@glimmer/util" "0.68.1"
     "@glimmer/validator" "0.68.1"
 
-"@glimmer/syntax@0.68.0":
-  version "0.68.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.68.0.tgz#8dc25dbe8332ecc288ed5e02c721b19fc1e856e4"
-  integrity sha512-nidrNS1xf/cTQsoRyCj1VeCHGj4/dgRBBd3fbIig5KumOx7W5UQF4/cXJi24hA0/vvd0MEUMqo2DPpCMsPV7PQ==
+"@glimmer/syntax@0.68.1":
+  version "0.68.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.68.1.tgz#e7bebdc26b2b4586ca27ae2d577a712b5bf9a6c3"
+  integrity sha512-c1XXV6Oy2ogYQSef3CYvlv/YRz1O5nZ71UadpUYtkchfQdgbwEQgCtIXKIvet5eMuvoYudnXHidSi91QEWaLOA==
   dependencies:
-    "@glimmer/interfaces" "0.68.0"
-    "@glimmer/util" "0.68.0"
+    "@glimmer/interfaces" "0.68.1"
+    "@glimmer/util" "0.68.1"
     "@handlebars/parser" "^1.1.0"
     simple-html-tokenizer "^0.5.10"
 
-"@glimmer/util@0.68.0":
-  version "0.68.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.68.0.tgz#16fec2fb54a9cda6ceef8c3cbc2c47346704cefc"
-  integrity sha512-YUIcItWFkHilVwllZnkJggoBm7xDvN+VyMgcPk4jsmUlMrt3zy0C9XGgmDmnPqJ1Bl0gMCf5JUf59RByw8TNHQ==
-  dependencies:
-    "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.68.0"
-    "@simple-dom/interface" "^1.4.0"
-
 "@glimmer/util@0.68.1":
   version "0.68.1"
   resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.68.1.tgz#d522ff4b91f0a59a23327f336bb90ddc55685ca1"