diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index fd2d6f76e5..9e5b255364 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -60,7 +60,7 @@
     "ember-cli-dependency-checker": "3.2.0",
     "ember-cli-deprecation-workflow": "1.0.1",
     "ember-cli-eslint": "5.1.0",
-    "ember-cli-htmlbars": "4.2.0",
+    "ember-cli-htmlbars": "4.2.1",
     "ember-cli-inject-live-reload": "2.0.2",
     "ember-cli-mirage": "1.1.6",
     "ember-cli-moment-shim": "3.7.1",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index 27e1269330..bf110cf932 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -913,7 +913,7 @@
     ember-cli-typescript "^3.0.0"
     heimdalljs "^0.3.0"
 
-"@ember/edition-utils@^1.1.1":
+"@ember/edition-utils@^1.1.1", "@ember/edition-utils@^1.2.0":
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/@ember/edition-utils/-/edition-utils-1.2.0.tgz#a039f542dc14c8e8299c81cd5abba95e2459cfa6"
   integrity sha512-VmVq/8saCaPdesQmftPqbFtxJWrzxNGSQ+e8x8LLe3Hjm36pJ04Q8LeORGZkAeOhldoUX9seLGmSaHeXkIqoog==
@@ -2053,7 +2053,7 @@ babel-plugin-htmlbars-inline-precompile@^1.0.0:
   resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-1.0.0.tgz#a9d2f6eaad8a3f3d361602de593a8cbef8179c22"
   integrity sha512-4jvKEHR1bAX03hBDZ94IXsYCj3bwk9vYsn6ux6JZNL2U5pvzCWjqyrGahfsGNrhERyxw8IqcirOi9Q6WCo3dkQ==
 
-babel-plugin-htmlbars-inline-precompile@^3.0.0:
+babel-plugin-htmlbars-inline-precompile@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-htmlbars-inline-precompile/-/babel-plugin-htmlbars-inline-precompile-3.0.1.tgz#e1e38a4087f446578e419a21c112530c8df02345"
   integrity sha512-ZiFY0nQjtdMPGIDwp/5LYOs6rCr54QfcSV5nPbrA7C++Fv4Vb2Q/qrKYx78t+dwmARJztnOBlObFk4z8veHxNA==
@@ -3073,7 +3073,7 @@ broccoli-plugin@^2.0.0, broccoli-plugin@^2.1.0:
     rimraf "^2.3.4"
     symlink-or-copy "^1.1.8"
 
-broccoli-plugin@^3.0.0, broccoli-plugin@^3.1.0:
+broccoli-plugin@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/broccoli-plugin/-/broccoli-plugin-3.1.0.tgz#54ba6dd90a42ec3db5624063292610e326b1e542"
   integrity sha512-7w7FP8WJYjLvb0eaw27LO678TGGaom++49O1VYIuzjhXjK5kn2+AMlDm7CaUFw4F7CLGoVQeZ84d8gICMJa4lA==
@@ -5090,23 +5090,23 @@ ember-cli-htmlbars-inline-precompile@^2.1.0:
     heimdalljs-logger "^0.1.9"
     silent-error "^1.1.0"
 
-ember-cli-htmlbars@4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-4.2.0.tgz#a3694ab31f6d571c45786a3041b9c76e4eb30989"
-  integrity sha512-YymJLg/rRiclK5jxbTFpaRNlbS+f3SY6SplnMExjcrcbSjMRsBuams50+mppENEu7iKfd6PBqH3FHVbYsukHSQ==
+ember-cli-htmlbars@4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-htmlbars/-/ember-cli-htmlbars-4.2.1.tgz#c74c5deba6025c8e80d84289a88901073e1ca1f7"
+  integrity sha512-jZ9LYO4R6ieYC5Bcei4RWbK2/SY0LDQ5cUIyt9YQpN/VU7A9G+es9w7FJYfHtDD+TxvaXDKMuXAeBwOz+mZKPA==
   dependencies:
-    "@ember/edition-utils" "^1.1.1"
-    babel-plugin-htmlbars-inline-precompile "^3.0.0"
+    "@ember/edition-utils" "^1.2.0"
+    babel-plugin-htmlbars-inline-precompile "^3.0.1"
     broccoli-debug "^0.6.5"
     broccoli-persistent-filter "^2.3.1"
-    broccoli-plugin "^3.0.0"
+    broccoli-plugin "^3.1.0"
     common-tags "^1.8.0"
     ember-cli-babel-plugin-helpers "^1.1.0"
     fs-tree-diff "^2.0.1"
     hash-for-dep "^1.5.1"
     heimdalljs-logger "^0.1.10"
     json-stable-stringify "^1.0.1"
-    semver "^6.3.0"
+    semver "^7.0.0"
     strip-bom "^4.0.0"
     walk-sync "^2.0.2"
 
@@ -11584,6 +11584,11 @@ semver@^6.0.0, semver@^6.1.1, semver@^6.1.2, semver@^6.3.0:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.0.tgz#ee0a64c8af5e8ceea67687b133761e1becbd1d3d"
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
+semver@^7.0.0:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.1.1.tgz#29104598a197d6cbe4733eeecbe968f7b43a9667"
+  integrity sha512-WfuG+fl6eh3eZ2qAf6goB7nhiCd7NPXhmyFxigB/TOkQyeLP8w8GsVehvtGNtnNmyboz4TgeK40B1Kbql/8c5A==
+
 send@0.17.1:
   version "0.17.1"
   resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"