diff --git a/package.json b/package.json
index 2f9bbe5383c..ccc0d0d40d6 100644
--- a/package.json
+++ b/package.json
@@ -74,16 +74,16 @@
   },
   "devDependencies": {
     "@babel/preset-env": "^7.9.5",
-    "@glimmer/compiler": "^0.59.0",
+    "@glimmer/compiler": "^0.59.1",
     "@glimmer/env": "^0.1.7",
-    "@glimmer/global-context": "^0.59.0",
-    "@glimmer/interfaces": "^0.59.0",
-    "@glimmer/node": "^0.59.0",
-    "@glimmer/opcode-compiler": "^0.59.0",
-    "@glimmer/program": "^0.59.0",
-    "@glimmer/reference": "^0.59.0",
-    "@glimmer/runtime": "^0.59.0",
-    "@glimmer/validator": "^0.59.0",
+    "@glimmer/global-context": "^0.59.1",
+    "@glimmer/interfaces": "^0.59.1",
+    "@glimmer/node": "^0.59.1",
+    "@glimmer/opcode-compiler": "^0.59.1",
+    "@glimmer/program": "^0.59.1",
+    "@glimmer/reference": "^0.59.1",
+    "@glimmer/runtime": "^0.59.1",
+    "@glimmer/validator": "^0.59.1",
     "@simple-dom/document": "^1.4.0",
     "@types/qunit": "^2.9.1",
     "@types/rsvp": "^4.0.3",
diff --git a/yarn.lock b/yarn.lock
index 24df10cb78c..eae0584d57d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -913,152 +913,152 @@
   resolved "https://registry.yarnpkg.com/@ember/edition-utils/-/edition-utils-1.2.0.tgz#a039f542dc14c8e8299c81cd5abba95e2459cfa6"
   integrity sha512-VmVq/8saCaPdesQmftPqbFtxJWrzxNGSQ+e8x8LLe3Hjm36pJ04Q8LeORGZkAeOhldoUX9seLGmSaHeXkIqoog==
 
-"@glimmer/compiler@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.59.0.tgz#96ceb23600aef2cb8ce0194fa527db991cf0ea00"
-  integrity sha512-8S3jHpQykERW9wmcpauqqwuA795telZZhgm8qagba2VqwXKGSTynv6SjXTcr3ZXUku/gejN/LFttn51Gb09a/Q==
-  dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/syntax" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
-    "@glimmer/wire-format" "^0.59.0"
+"@glimmer/compiler@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/compiler/-/compiler-0.59.1.tgz#d1d48cea41b0751e49ad945d786f856c2742acf9"
+  integrity sha512-CEmaAuNwctm+m+j1T+Bzal4pzeB3YEi/CkL5ouPZmfNj/X4xNtu4bBv8OWosMW1864BFRj3R2eSVg7O76lIIVA==
+  dependencies:
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/syntax" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
+    "@glimmer/wire-format" "^0.59.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/encoder@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.59.0.tgz#d28b7dfd583ea15c7466f64a4c1e2e66ad9e6df3"
-  integrity sha512-2jWNOMNgP7HBcuQ3TBF+WpbC5WPCo1mgpRJbGAku+th15CNiaTgzzgmi/Af9RhPwBKUuFXroTIrash9HEu+s2Q==
+"@glimmer/encoder@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/encoder/-/encoder-0.59.1.tgz#28025a4c743e9e425ccfb70febb5a003950cf687"
+  integrity sha512-tIfL17GVLZgAQQB1fNrMyE3WTEt/39zbsuOosp8i+mkV9G6LTFNwGgIbGyzExQMMtB7OrX6XWQQimlyJtBFQ4A==
   dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/vm" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/vm" "^0.59.1"
 
 "@glimmer/env@0.1.7", "@glimmer/env@^0.1.7":
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/@glimmer/env/-/env-0.1.7.tgz#fd2d2b55a9029c6b37a6c935e8c8871ae70dfa07"
   integrity sha1-/S0rVakCnGs3psk16MiHGucN+gc=
 
-"@glimmer/global-context@0.59.0", "@glimmer/global-context@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.59.0.tgz#7ccf9c6689dd240a78fcd6b04fb2660cfdbaac97"
-  integrity sha512-D8toHmniE1ufbK+A/pizPtfN4BY5n+E9/8/feFTERQBN5Q0+MQUAYoWtx2yb3RYprukwbQ8k+doOIAoHiZQ88A==
+"@glimmer/global-context@0.59.1", "@glimmer/global-context@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/global-context/-/global-context-0.59.1.tgz#81aa95bf7393477cd93268e4b08d9c92f8f988fa"
+  integrity sha512-v1eKFbH8wu1cDcvSs4baL3NM5f/qxpJdwKxALAN34oRjkNHv1Ok3vcXJIZEcpKQWJYsl3SHxtKjM9qZ4w9JEAA==
   dependencies:
     "@glimmer/env" "^0.1.7"
 
-"@glimmer/interfaces@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.59.0.tgz#b94e099609ed83bad686bf4759b373caa1c19210"
-  integrity sha512-k1ax7bbIdbwpS77d1G0y+y2C6pL+u6l/AXYvJip+yHRe163c5os8jbE9pSzzmOsdpqeJoQe0XYodLpyBMJebog==
+"@glimmer/interfaces@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.59.1.tgz#d7904a482d7c3113ea1c555372299f99585567b8"
+  integrity sha512-KPOUludcDdPPXm+78YmLR8hW7uSE1AjedVHdZ70OzSdQa27ZeLBdBGfN3pWBjQP/QSmL4k+wcfedAzO675jcxQ==
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/low-level@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.59.0.tgz#59c55dfc143e7f888d614188c353d16f4253435b"
-  integrity sha512-RSdI5A3jKxX9xO7zpzwf5NI6rpoIl9yW+ByAz3htrhqYpLLEsFNMEZoqGlKF2V7p+u3PnUyRq1m6lRgVRHNY5Q==
+"@glimmer/low-level@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/low-level/-/low-level-0.59.1.tgz#92af71168822e237245a1babcb22720947fd8308"
+  integrity sha512-/Xheya2i892kZN5OzDGQ7tjDwQlUi2h7awm7FS1bzhUpE6Jvu4urJQUAJXQXtjl74s5cfcT9jDKNgdN/qmteaw==
 
-"@glimmer/node@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.59.0.tgz#d545b5912ea93316e378ae00af4ecd42a7f6cb0c"
-  integrity sha512-1KIbRPwEJTeIdXktqnHAMVJru8dkyWi7BROTyqU2jwwVxK4zkgucYT30J3inVnghIs+nZB0BFmxdkv6uDvVVfQ==
+"@glimmer/node@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/node/-/node-0.59.1.tgz#a7e7a19e23cab9860359a22afe6c038166506047"
+  integrity sha512-gBFYnej88lKcKN9yps73KzI2JIWkcHCrZ9OWJ4ii5039HYlGWD+0ZYKcQ4Htiz82QtZ4jajeJX4CFfOZVc+5YA==
   dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/runtime" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/runtime" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
     "@simple-dom/document" "^1.4.0"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/opcode-compiler@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.59.0.tgz#37fd670d29317a2ad6b4a2c8186b514f05c398ae"
-  integrity sha512-MP/FaQrya4aeNWZ40QzvjMr0hLfMIUThA6dOGk3yq5ls9wYg0AzmM/EOShR7tNkNmH/85rXzaUvQXVvKKcQacg==
-  dependencies:
-    "@glimmer/encoder" "^0.59.0"
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/program" "^0.59.0"
-    "@glimmer/reference" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
-    "@glimmer/vm" "^0.59.0"
-    "@glimmer/wire-format" "^0.59.0"
-
-"@glimmer/program@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.59.0.tgz#fd3a40c1786aae51cc9337d5c7d2cad42c3f5bdc"
-  integrity sha512-wD6sBFd4ilcYlSFz3JWihtWwXoJPyHeBNuqD9YdVd4s5yPUw1uFTI26zelWKfs0sMmMuG2FE4OD6Gsv5Nl4cew==
-  dependencies:
-    "@glimmer/encoder" "^0.59.0"
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
-
-"@glimmer/reference@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.59.0.tgz#50bc7a993b62276300fc732dd5ebdb27dcd4e589"
-  integrity sha512-uJbzdwi965KdflNuaD1snaH7y54v+LAbt/W2VUFue0ZSWoAhBLPrRP8XGO+gnXYSRDNkkoUnPwTsvEB9Pg4bRQ==
+"@glimmer/opcode-compiler@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/opcode-compiler/-/opcode-compiler-0.59.1.tgz#f4253fd4c1c9bd70f6e4cd048b2496718a836919"
+  integrity sha512-iulo0V8wKrVqXVa68sekc+J1ymN1pI+59v6lgtKc1K7GLljVX4XqVywS7sZA2DaI/7Ta5iZc0L3/b60st+pSGQ==
+  dependencies:
+    "@glimmer/encoder" "^0.59.1"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/program" "^0.59.1"
+    "@glimmer/reference" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
+    "@glimmer/vm" "^0.59.1"
+    "@glimmer/wire-format" "^0.59.1"
+
+"@glimmer/program@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/program/-/program-0.59.1.tgz#6f70a04b3b52a7cbd4daa58743fad254befca15f"
+  integrity sha512-zeUPGym5GqS3glgGKBSfizC6OOwGS6258zjwGXH+9mmjfBFxkiQvDbdzZwWlWDSVGlJvUij/kaeBrIHlY6id8Q==
+  dependencies:
+    "@glimmer/encoder" "^0.59.1"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
+
+"@glimmer/reference@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/reference/-/reference-0.59.1.tgz#55f8afc039e318e92c1cf24c7474e3049534bada"
+  integrity sha512-b7jsJW1nMqeWtvwGE/Dv5R749Mb6xV+ndeKc9Dkh59Lz88W1xneIerBhgldAx2X64yNHyh0CkgUkCkUgBMjeBg==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "^0.59.0"
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
-    "@glimmer/validator" "^0.59.0"
+    "@glimmer/global-context" "^0.59.1"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
+    "@glimmer/validator" "^0.59.1"
 
-"@glimmer/runtime@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.59.0.tgz#9e458752413555be09149deb9387ec6e9bd2c718"
-  integrity sha512-1mIkLLwiBLQx/+kfsn5TaP5HPNcszJh2aENVa0ai14fCVtNPFNge+B+oQ3FbV944Hb4EzhFAnx9nvVB1NWa0OA==
+"@glimmer/runtime@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/runtime/-/runtime-0.59.1.tgz#8d3a0b91330d13ca0abd0e9d6532129112ebb81a"
+  integrity sha512-TAfEzHS37l5FjjBLlCkcdhapAtF3ktHl0qk7eXrYCsfuyDP3kU99GWfoA9zuuec/bUX37o/vRxgCjuSbfqxdJA==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/global-context" "0.59.0"
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/low-level" "^0.59.0"
-    "@glimmer/program" "^0.59.0"
-    "@glimmer/reference" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
-    "@glimmer/validator" "^0.59.0"
-    "@glimmer/vm" "^0.59.0"
-    "@glimmer/wire-format" "^0.59.0"
+    "@glimmer/global-context" "0.59.1"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/low-level" "^0.59.1"
+    "@glimmer/program" "^0.59.1"
+    "@glimmer/reference" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
+    "@glimmer/validator" "^0.59.1"
+    "@glimmer/vm" "^0.59.1"
+    "@glimmer/wire-format" "^0.59.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/syntax@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.59.0.tgz#5ba14edd7c3d793d9f881ec59fc78991fb3c3f9f"
-  integrity sha512-cvd9//tWKO5Cb1o0c778cR1O75m3/idnoQv6hJK9jV60KAsKIuZL9gtG0eWOepiLnZYg0oXeLXvzBd3LcedSIg==
+"@glimmer/syntax@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.59.1.tgz#a1b97bb0b51d80fef04506efd2e549224a287e5a"
+  integrity sha512-0ENuadW5uLaIN06jLMD3QkbW20L68dwooCULOKCx5GGXx3cq6DRb0O0u8+6ABKMnxP7BGphmY7OysSk9myKmIA==
   dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
     handlebars "^4.7.4"
     simple-html-tokenizer "^0.5.9"
 
-"@glimmer/util@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.59.0.tgz#625a2a4481c9ff3a74edb18f841b6d89459327dd"
-  integrity sha512-93mlGdNTywN/F58KRWLWc3WKl0kzaiy6dLF7GpHmaPG4lsAAoZ0O0Vbz0nPIe4Qr/IVgDvm5CSa4govwHYjJvg==
+"@glimmer/util@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.59.1.tgz#7b673293f7b49771308d9ef521811300989bc287"
+  integrity sha512-jDtAGpsGTVp3Gd6cyEM4/SM/qF8f5t3OEm7dLwAoLK2gDvXcGUmQa/v8CZNbpmwAVlmkQTCtvYf9QjbD1D9I5Q==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/validator@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.59.0.tgz#58574fcbeaa5a29c6f0997c0e8a326f8d9a52016"
-  integrity sha512-kJAE9PicuxTHvCU9zWZdoK7j0vDh35TJ6rhfM1kxW/9IlIu2Q+NrFOT3i3bbxOkN7Z0TFaBvugjCREByw4sFpQ==
+"@glimmer/validator@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/validator/-/validator-0.59.1.tgz#1b8863ce13ce589083f06c56ecae275fd4dbaa2a"
+  integrity sha512-tAQJ0JUSSd9pxQr6R6FlRqobzYpgC1YxdDoRuvZctwS89uYFwzBJ/of5l6ZxGNOTT6PVriYlqJ64aEq+jZUYKA==
   dependencies:
     "@glimmer/env" "^0.1.7"
-    "@glimmer/global-context" "0.59.0"
+    "@glimmer/global-context" "0.59.1"
 
-"@glimmer/vm@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.59.0.tgz#667d18b676dd4b7c991473acaabdabf194813676"
-  integrity sha512-V8jL9i3GkdFp5CoVWk5A0SlwtYauAxj60eblrzR4fUaEy/snEJjOhaMfCT6LH9QBowvvifyqxyY8YagaF0X+9A==
+"@glimmer/vm@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm/-/vm-0.59.1.tgz#2f4b3d3bc796be09a50c6ffa75817d97b509af83"
+  integrity sha512-EIM70et1HU9ut7t1U8CfF1igs4JFhffO5tkhIHPpqZHrkiD5gebiVvBzSomviN8zhLS1Hv/F2UJJOgLfY/Q7Fw==
   dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
 
-"@glimmer/wire-format@^0.59.0":
-  version "0.59.0"
-  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.59.0.tgz#d6376e099867970b29d82418b34d36e1a84ccc30"
-  integrity sha512-TXThBQXZAbN15yWtYDCazzv3i3poWYXZZxcF1LvclxJS40I4E8FOfrl5npinGQeS0XZoypEOpVkne4EAL5cxEw==
+"@glimmer/wire-format@^0.59.1":
+  version "0.59.1"
+  resolved "https://registry.yarnpkg.com/@glimmer/wire-format/-/wire-format-0.59.1.tgz#d0a6e8f15a8f8c0a50e7ff9cfa943feb12ea8a8f"
+  integrity sha512-Q4nZilvqhDiSmF34mAYQubo2J7spYzowJ5G2tdbFWNipbg7A7aSYIbPv408WS1RgY9DeQuqkXjRCEq3M5zlt0Q==
   dependencies:
-    "@glimmer/interfaces" "^0.59.0"
-    "@glimmer/util" "^0.59.0"
+    "@glimmer/interfaces" "^0.59.1"
+    "@glimmer/util" "^0.59.1"
 
 "@simple-dom/document@^1.4.0":
   version "1.4.0"