diff --git a/ghost/admin/package.json b/ghost/admin/package.json
index ee875de4c0..f71b532110 100644
--- a/ghost/admin/package.json
+++ b/ghost/admin/package.json
@@ -70,7 +70,7 @@
     "ember-cli-node-assets": "0.2.2",
     "ember-cli-postcss": "6.0.1",
     "ember-cli-shims": "1.2.0",
-    "ember-cli-string-helpers": "5.0.0",
+    "ember-cli-string-helpers": "6.0.1",
     "ember-cli-terser": "4.0.1",
     "ember-cli-test-loader": "3.0.0",
     "ember-composable-helpers": "4.4.1",
diff --git a/ghost/admin/yarn.lock b/ghost/admin/yarn.lock
index c3f5c6b663..2f2291d6b4 100644
--- a/ghost/admin/yarn.lock
+++ b/ghost/admin/yarn.lock
@@ -26,6 +26,11 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.13.12.tgz#a8a5ccac19c200f9dd49624cac6e19d7be1236a1"
   integrity sha512-3eJJ841uKxeV8dcN/2yGEUy+RfgQspPEgQat85umsE1rotuquQ2AbIub4S6j7c50a2d+4myc+zSlnXeIHrOnhQ==
 
+"@babel/compat-data@^7.13.15":
+  version "7.13.15"
+  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.13.15.tgz#7e8eea42d0b64fda2b375b22d06c605222e848f4"
+  integrity sha512-ltnibHKR1VnrU4ymHyQ/CXtNXI6yZC0oJThyW78Hft8XndANwi+9H+UIklBDraIjFEJzw8wmcM427oDd9KS5wA==
+
 "@babel/core@^7.0.0", "@babel/core@^7.1.6", "@babel/core@^7.11.0", "@babel/core@^7.12.0", "@babel/core@^7.12.3", "@babel/core@^7.3.4", "@babel/core@^7.8.7":
   version "7.12.10"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.10.tgz#b79a2e1b9f70ed3d84bbfb6d8c4ef825f606bccd"
@@ -47,6 +52,27 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
+"@babel/core@^7.13.10":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.13.16.tgz#7756ab24396cc9675f1c3fcd5b79fcce192ea96a"
+  integrity sha512-sXHpixBiWWFti0AV2Zq7avpTasr6sIAu7Y396c608541qAU2ui4a193m0KSQmfPSKFZLnQ3cvlKDOm3XkuXm3Q==
+  dependencies:
+    "@babel/code-frame" "^7.12.13"
+    "@babel/generator" "^7.13.16"
+    "@babel/helper-compilation-targets" "^7.13.16"
+    "@babel/helper-module-transforms" "^7.13.14"
+    "@babel/helpers" "^7.13.16"
+    "@babel/parser" "^7.13.16"
+    "@babel/template" "^7.12.13"
+    "@babel/traverse" "^7.13.15"
+    "@babel/types" "^7.13.16"
+    convert-source-map "^1.7.0"
+    debug "^4.1.0"
+    gensync "^1.0.0-beta.2"
+    json5 "^2.1.2"
+    semver "^6.3.0"
+    source-map "^0.5.0"
+
 "@babel/generator@^7.12.10", "@babel/generator@^7.12.11":
   version "7.12.11"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.12.11.tgz#98a7df7b8c358c9a37ab07a24056853016aba3af"
@@ -65,6 +91,15 @@
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.13.16.tgz#0befc287031a201d84cdfc173b46b320ae472d14"
+  integrity sha512-grBBR75UnKOcUWMp8WoDxNsWCFl//XCK6HWTrBQKTr5SV9f5g0pNOjdyzi/DTBv12S9GnYPInIXQBTky7OXEMg==
+  dependencies:
+    "@babel/types" "^7.13.16"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/helper-annotate-as-pure@^7.10.4":
   version "7.12.10"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.12.10.tgz#54ab9b000e60a93644ce17b3f37d313aaf1d115d"
@@ -100,6 +135,16 @@
     browserslist "^4.14.5"
     semver "^6.3.0"
 
+"@babel/helper-compilation-targets@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.13.16.tgz#6e91dccf15e3f43e5556dffe32d860109887563c"
+  integrity sha512-3gmkYIrpqsLlieFwjkGgLaSHmhnvlAYzZLlYVjlW+QwI+1zE17kGxuJGmIqDQdYp56XdmGeD+Bswx0UTyG18xA==
+  dependencies:
+    "@babel/compat-data" "^7.13.15"
+    "@babel/helper-validator-option" "^7.12.17"
+    browserslist "^4.14.5"
+    semver "^6.3.0"
+
 "@babel/helper-create-class-features-plugin@^7.12.1", "@babel/helper-create-class-features-plugin@^7.5.5", "@babel/helper-create-class-features-plugin@^7.8.3":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.12.1.tgz#3c45998f431edd4a9214c5f1d3ad1448a6137f6e"
@@ -256,6 +301,20 @@
     "@babel/traverse" "^7.13.0"
     "@babel/types" "^7.13.12"
 
+"@babel/helper-module-transforms@^7.13.14":
+  version "7.13.14"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.13.14.tgz#e600652ba48ccb1641775413cb32cfa4e8b495ef"
+  integrity sha512-QuU/OJ0iAOSIatyVZmfqB0lbkVP0kDRiKj34xy+QNsnVZi/PA6BoSoreeqnxxa9EHFAIL0R9XOaAR/G9WlIy5g==
+  dependencies:
+    "@babel/helper-module-imports" "^7.13.12"
+    "@babel/helper-replace-supers" "^7.13.12"
+    "@babel/helper-simple-access" "^7.13.12"
+    "@babel/helper-split-export-declaration" "^7.12.13"
+    "@babel/helper-validator-identifier" "^7.12.11"
+    "@babel/template" "^7.12.13"
+    "@babel/traverse" "^7.13.13"
+    "@babel/types" "^7.13.14"
+
 "@babel/helper-optimise-call-expression@^7.10.4", "@babel/helper-optimise-call-expression@^7.12.10":
   version "7.12.10"
   resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.12.10.tgz#94ca4e306ee11a7dd6e9f42823e2ac6b49881e2d"
@@ -378,6 +437,15 @@
     "@babel/traverse" "^7.12.5"
     "@babel/types" "^7.12.5"
 
+"@babel/helpers@^7.13.16":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.13.17.tgz#b497c7a00e9719d5b613b8982bda6ed3ee94caf6"
+  integrity sha512-Eal4Gce4kGijo1/TGJdqp3WuhllaMLSrW6XcL0ulyUAQOuxHcCafZE8KHg9857gcTehsm/v7RcOx2+jp0Ryjsg==
+  dependencies:
+    "@babel/template" "^7.12.13"
+    "@babel/traverse" "^7.13.17"
+    "@babel/types" "^7.13.17"
+
 "@babel/highlight@^7.10.4":
   version "7.10.4"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.10.4.tgz#7d1bdfd65753538fabe6c38596cdb76d9ac60143"
@@ -406,6 +474,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.12.tgz#ba320059420774394d3b0c0233ba40e4250b81d1"
   integrity sha512-4T7Pb244rxH24yR116LAuJ+adxXXnHhZaLJjegJVKSdoNCe4x1eDBaud5YIcQFcqzsaD5BHvJw5BQ0AZapdCRw==
 
+"@babel/parser@^7.13.16":
+  version "7.13.16"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.13.16.tgz#0f18179b0448e6939b1f3f5c4c355a3a9bcdfd37"
+  integrity sha512-6bAg36mCwuqLO0hbR+z7PHuqWiCeP7Dzg73OpQwsAB1Eb8HnGEz5xYBzCfbu+YjoaJsJs+qheDxVAuqbt3ILEw==
+
 "@babel/plugin-proposal-async-generator-functions@^7.12.1":
   version "7.12.12"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.12.12.tgz#04b8f24fd4532008ab4e79f788468fd5a8476566"
@@ -1134,6 +1207,20 @@
     globals "^11.1.0"
     lodash "^4.17.19"
 
+"@babel/traverse@^7.13.13", "@babel/traverse@^7.13.15", "@babel/traverse@^7.13.17":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.13.17.tgz#c85415e0c7d50ac053d758baec98b28b2ecfeea3"
+  integrity sha512-BMnZn0R+X6ayqm3C3To7o1j7Q020gWdqdyP50KEoVqaCO2c/Im7sYZSmVgvefp8TTMQ+9CtwuBp0Z1CZ8V3Pvg==
+  dependencies:
+    "@babel/code-frame" "^7.12.13"
+    "@babel/generator" "^7.13.16"
+    "@babel/helper-function-name" "^7.12.13"
+    "@babel/helper-split-export-declaration" "^7.12.13"
+    "@babel/parser" "^7.13.16"
+    "@babel/types" "^7.13.17"
+    debug "^4.1.0"
+    globals "^11.1.0"
+
 "@babel/types@^7.1.6", "@babel/types@^7.10.4", "@babel/types@^7.10.5", "@babel/types@^7.12.1", "@babel/types@^7.12.10", "@babel/types@^7.12.11", "@babel/types@^7.12.12", "@babel/types@^7.12.5", "@babel/types@^7.12.7", "@babel/types@^7.4.0", "@babel/types@^7.4.4", "@babel/types@^7.7.0", "@babel/types@^7.7.2", "@babel/types@^7.8.7":
   version "7.12.12"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.12.12.tgz#4608a6ec313abbd87afa55004d373ad04a96c299"
@@ -1152,6 +1239,14 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.13.14", "@babel/types@^7.13.16", "@babel/types@^7.13.17":
+  version "7.13.17"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.13.17.tgz#48010a115c9fba7588b4437dd68c9469012b38b4"
+  integrity sha512-RawydLgxbOPDlTLJNtoIypwdmAy//uQIzlKt2+iBiJaRlVuI6QLUxVAyWGNfOzp8Yu4L4lLIacoCyTNtpb4wiA==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.12.11"
+    to-fast-properties "^2.0.0"
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.4.tgz#f864ae85004d0fcab6f50be9141c4da368d1656a"
@@ -6478,13 +6573,15 @@ ember-cli-shims@1.2.0:
     ember-rfc176-data "^0.3.1"
     silent-error "^1.0.1"
 
-ember-cli-string-helpers@5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/ember-cli-string-helpers/-/ember-cli-string-helpers-5.0.0.tgz#b1e08ec3ca1c9a457f9fd9aafff60b5939fbf91d"
-  integrity sha512-PodD3Uf7BkOXIu95E6cWEC0ERroTiUOAwOr828Vb+fPFtV7WYNSC27C9Ds1ggCyyRqnXmpS0JSqCTN1gPZfkWQ==
+ember-cli-string-helpers@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-string-helpers/-/ember-cli-string-helpers-6.0.1.tgz#6690b23b5cd60cc3ab86ce78125a2f9bd0f1cd41"
+  integrity sha512-91Po3HRroSI60zm9QUpnt6DXNB3rNBKFAmCptDD758gZyjfDMXtu1ZWWixB7EQXQaMy8bVq+2ZvQIPkclieJPw==
   dependencies:
+    "@babel/core" "^7.13.10"
     broccoli-funnel "^3.0.3"
     ember-cli-babel "^7.7.3"
+    resolve "^1.20.0"
 
 ember-cli-string-utils@^1.0.0, ember-cli-string-utils@^1.1.0:
   version "1.1.0"
@@ -8723,7 +8820,7 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
-gensync@^1.0.0-beta.1:
+gensync@^1.0.0-beta.1, gensync@^1.0.0-beta.2:
   version "1.0.0-beta.2"
   resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.2.tgz#32a6ee76c3d7f52d46b2b1ae5d93fea8580a25e0"
   integrity sha512-3hN7NaskYvMDLQY55gnW3NQ+mesEAepTqlg+VEbj7zzqEMBVNhzcGYYeqFo/TlYz6eQiFcp1HcsCZO+nGgS8zg==
@@ -13120,7 +13217,7 @@ resolve@^1.1.7, resolve@^1.10.0, resolve@^1.11.1, resolve@^1.12.0, resolve@^1.13
     is-core-module "^2.1.0"
     path-parse "^1.0.6"
 
-resolve@^1.10.1, resolve@^1.14.2, resolve@^1.19.0, resolve@^1.9.0:
+resolve@^1.10.1, resolve@^1.14.2, resolve@^1.19.0, resolve@^1.20.0, resolve@^1.9.0:
   version "1.20.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
   integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==